#FF665C

Accessibility

AAA

7.31:1

Vs white / black

2.87:1 · 7.31:1

Sources

Library color

Codes

Formats

HEX

#ff665c

RGB

rgb(255, 102, 92)

RGBA

rgba(255, 102, 92, 1)

HSL

hsl(4, 100%, 68%)

HSLA

hsla(4, 100%, 68%, 1)

HSV

hsv(4, 64%, 100%)

LAB

lab(62.96% 57.62 35.95)

LCH

lch(62.96% 67.92 31.96)

OKLAB

oklab(0.7028 0.1684 0.0849)

OKLCH

oklch(0.7028 0.1886 26.76)

XYZ

xyz(47.93, 31.54, 13.69)

CMYK

cmyk(0%, 60%, 64%, 0%)

CSS

color: #ff665c;

CSS variable

--color-ff665c: #ff665c;

SCSS

$color-ff665c: #ff665c;

JavaScript

const color = "#ff665c";

TypeScript

const color: string = "#ff665c";

React

style={{ backgroundColor: "#ff665c" }}

JSON

{ "hex": "#ff665c", "rgb": { "r": 255, "g": 102, "b": 92 }, "oklch": "oklch(0.7028 0.1886 26.76)" }

Export

Developer code

css

:root {
  --#ff665c-1: #ff665c;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

red-400

Noticeably different · ΔE 4.54 · #F87171

Nearest CSS named color

Tomato

Noticeably different · ΔE 4.94 · #FF6347

Nearest Material color

red-400

Very different · ΔE 5.18 · #EF5350

Nearest Bootstrap color

danger

Very different · ΔE 12.87 · #DC3545

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50ffd8cc 100ffc7bb 200ffada0 300ff8f82 400ff685e 500e14a43 600be3c36 7009b2d28 800791e1b 90059100f 9503c0001

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

fff2f1 ffe6e4 ffd9d6 ffccc9 ffbfbb ffb3ae ffa6a0 ff9992 ff8c85 ff8077 ff736a ff665c ea5e54 d5554d bf4d45 aa443d 953b36 80332e 6a2a26 55221f 401a17 2a110f 150908

Palette

Tints

Mixed toward white — soft backgrounds and highlights

fff2f1 ffe6e4 ffd9d6 ffccc9 ffbfbb ffb3ae ffa6a0 ff9992 ff8c85 ff8077 ff736a

Palette

Shades

Mixed toward black — depth, text, and emphasis

ea5e54 d5554d bf4d45 aa443d 953b36 80332e 6a2a26 55221f 401a17 2a110f 150908

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

f4685f ea6a62 df6d65 d56f68 ca716b c0736e b57571 aa7774 a07a77 957c7a 8b7e7d

Harmony

Complementary

Opposite on the color wheel for contrast

#FF665CStop 1 #5CF4FFStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#FF5CA3Stop 1 #FF665CStop 2 #FFB85CStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#FF665CStop 1 #5CFF67Stop 2 #675CFFStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#FF665CStop 1 #5CFFB8Stop 2 #5CA3FFStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#660700Stop 1 #B30C00Stop 2 #FF1100Stop 3 #FF584DStop 4 #FFA099Stop 5

Using this color

Where #ff665c works

#FF665C (#ff665c) sits in the red family at about 4° hue, 100% saturation, and 68% lightness. Contrast is 2.87:1 on white and 7.31:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: red-400 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on charcoal / dark mode

Do not use #ff665c as small body text on white — 2.87:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Family context: Energy, urgency, passion, and excitement. Often used for CTAs, alerts, and brands that want attention. Common uses still include buttons, charts, and accents in the Red range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Web Safe #FF6666#FF6666 Spectrum #EF6457#EF6457 Chakra red 500#F56565 Ant Error#FF4D4F Tailwind red 400#F87171 Spectrum #EB735C#EB735C Pink Glamour#FF7675 Tomato#FF6347 Material Red 400#EF5350 Salmon#FA8072 Spectrum #DE655E#DE655E Material Red 300#E57373

Where #ff665c works

Sensible jobs for this swatch

supporting UI accents

text or icons on charcoal / dark mode

Do not use #ff665c as small body text on white — 2.87:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.