#175258

Accessibility

AAA

8.81:1

Vs white / black

8.81:1 · 2.38:1

Sources

Library color

Codes

Formats

HEX

#175258

RGB

rgb(23, 82, 88)

RGBA

rgba(23, 82, 88, 1)

HSL

hsl(186, 59%, 22%)

HSLA

hsla(186, 59%, 22%, 1)

HSV

hsv(186, 74%, 35%)

LAB

lab(31.63% -16.31 -9)

LCH

lch(31.63% 18.63 208.89)

OKLAB

oklab(0.4043 -0.054 -0.025)

OKLCH

oklch(0.4043 0.0595 204.84)

XYZ

xyz(5.13, 6.92, 10.30)

CMYK

cmyk(74%, 7%, 0%, 65%)

CSS

color: #175258;

CSS variable

--color-175258: #175258;

SCSS

$color-175258: #175258;

JavaScript

const color = "#175258";

TypeScript

const color: string = "#175258";

React

style={{ backgroundColor: "#175258" }}

JSON

{ "hex": "#175258", "rgb": { "r": 23, "g": 82, "b": 88 }, "oklch": "oklch(0.4043 0.0595 204.84)" }

Export

Developer code

css

:root {
  --#175258-1: #175258;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

teal-900

Very different · ΔE 5.37 · #134E4A

Nearest CSS named color

DarkSlateGray

Noticeably different · ΔE 4.66 · #2F4F4F

Nearest Material color

cyan-900

Very different · ΔE 5.39 · #006064

Nearest Bootstrap color

dark

Very different · ΔE 19.22 · #212529

OKLCH

Perceptual 50–950 scale

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

50dafdff 100caf0f4 200b2dee3 30096c8ce 40074adb3 500599197 60049797f 700386166 800284a4e 900193437 950071f21

Palette

Tints & shades

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

ecf1f1 d8e2e3 c5d4d5 b2c5c7 9eb7b9 8ba9ac 789a9e 648c90 517d82 3e6f74 2a6066 175258 154b51 134449 113e42 0f373b 0d3033 0c292c 0a2225 081b1d 061516 040e0f 020707

Palette

Tints

Mixed toward white — soft backgrounds and highlights

ecf1f1 d8e2e3 c5d4d5 b2c5c7 9eb7b9 8ba9ac 789a9e 648c90 517d82 3e6f74 2a6066

Palette

Shades

Mixed toward black — depth, text, and emphasis

154b51 134449 113e42 0f373b 0d3033 0c292c 0a2225 081b1d 061516 040e0f 020707

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

20565b 295a5f 315e62 3a6165 436569 4c696c 546d6f 5d7173 667576 6f7879 777c7d

Harmony

Complementary

Opposite on the color wheel for contrast

#175258Stop 1 #591E17Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#17593FStop 1 #175258Stop 2 #173159Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#175258Stop 1 #591753Stop 2 #535917Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#175258Stop 1 #591731Stop 2 #593F17Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#154B51Stop 1 #25838EStop 2 #34BCCBStop 3 #71D0DAStop 4 #AEE4EAStop 5

Using this color

Where #175258 works

#175258 (#175258) sits in the cyan family at about 186° hue, 59% saturation, and 22% lightness. Contrast is 8.81:1 on white and 2.38:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: teal-900 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #175258 is 2.38:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Freshness, clarity, and innovation. Great for tech accents and clean digital products. Common uses still include buttons, charts, and accents in the Cyan range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

DarkSlateGray#2F4F4F Spectrum #305D64#305D64 Tailwind teal 900#134E4A Material Cyan 900#006064 Tailwind teal 800#115E59 Web Safe #336666#336666 Spectrum #2E686B#2E686B Web Safe #006666#006666 Tailwind cyan 900#164E63 Spectrum #2A6374#2A6374 Tailwind cyan 800#155E75 Spectrum #2E5B70#2E5B70