#323E81

Accessibility

AAA

9.81:1

Vs white / black

9.81:1 · 2.14:1

Sources

Library color

Codes

Formats

HEX

#323e81

RGB

rgb(50, 62, 129)

RGBA

rgba(50, 62, 129, 1)

HSL

hsl(231, 44%, 35%)

HSLA

hsla(231, 44%, 35%, 1)

HSV

hsv(231, 61%, 51%)

LAB

lab(28.66% 17.06 -39.45)

LCH

lch(28.66% 42.98 293.39)

OKLAB

oklab(0.3915 0.0049 -0.1129)

OKLCH

oklch(0.3915 0.113 272.49)

XYZ

xyz(7.00, 5.71, 21.50)

CMYK

cmyk(61%, 52%, 0%, 49%)

CSS

color: #323e81;

CSS variable

--color-323e81: #323e81;

SCSS

$color-323e81: #323e81;

JavaScript

const color = "#323e81";

TypeScript

const color: string = "#323e81";

React

style={{ backgroundColor: "#323e81" }}

JSON

{ "hex": "#323e81", "rgb": { "r": 50, "g": 62, "b": 129 }, "oklch": "oklch(0.3915 0.113 272.49)" }

Export

Developer code

css

:root {
  --#323e81-1: #323e81;
}

Design systems

Nearest official tokens

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

Nearest Tailwind color

blue-900

Noticeably different · ΔE 3.22 · #1E3A8A

Nearest CSS named color

DarkSlateBlue

Noticeably different · ΔE 4.99 · #483D8B

Nearest Material color

indigo-800

Noticeably different · ΔE 4.68 · #283593

Nearest Bootstrap color

dark

Very different · ΔE 19.54 · #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.

50e5f3ff 100d6e6ff 200c0d1ff 300a8baff 400899ce8 5006f81ca 6005c6bab 70049558b 80036406c 900242c4f 950121834

Palette

Tints & shades

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

eeeff5 dddfea cccfe0 bbbfd5 aaafcb 999fc0 878eb6 767eab 656ea1 545e96 434e8c 323e81 2e3976 2a346c 262f61 212956 1d244b 191f41 151a36 11152b 0d1020 080a15 04050b

Palette

Tints

Mixed toward white — soft backgrounds and highlights

eeeff5 dddfea cccfe0 bbbfd5 aaafcb 999fc0 878eb6 767eab 656ea1 545e96 434e8c

Palette

Shades

Mixed toward black — depth, text, and emphasis

2e3976 2a346c 262f61 212956 1d244b 191f41 151a36 11152b 0d1020 080a15 04050b

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

384481 3f4981 464f81 4c5481 535a81 595f81 606580 666a80 6d7080 737580 7a7b80

Harmony

Complementary

Opposite on the color wheel for contrast

#323E81Stop 1 #817532Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#326581Stop 1 #323E81Stop 2 #4D3281Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#323E81Stop 1 #81323EStop 2 #3E8132Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#323E81Stop 1 #814D32Stop 2 #658132Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#1D2349Stop 1 #323E81Stop 2 #4758B8Stop 3 #7E8ACDStop 4 #B6BCE2Stop 5

Using this color

Where #323e81 works

#323E81 (#323e81) sits in the blue family at about 231° hue, 44% saturation, and 35% lightness. Contrast is 9.81:1 on white and 2.14:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: blue-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, #323e81 is 2.14:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Spectrum #2F3B7F#2F3B7F Spectrum #2A3F83#2A3F83 Spectrum #343A79#343A79 Tailwind blue 900#1E3A8A Spectrum #383875#383875 Spectrum #43428F#43428F Spectrum #163783#163783 Spectrum #27458B#27458B Spectrum #3E4398#3E4398 Spectrum #123D87#123D87 Material Indigo 800#283593 Material Indigo 700#303F9F