#231E72#231E72

#231E72 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.138 H 277.0°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#231E72
RGB	rgb(35, 30, 114)
HSL	hsl(244, 58%, 28%)
HSV	hsv(244, 74%, 45%)
CMYK	cmyk(69.3%, 73.7%, 0%, 55.3%)
CIE-LAB	lab(17.92, 30.47, -47.45)
CIE-LCH	lch(17.92, 56.39, 302.71°)
OKLab	oklab(30.54% 0.0169 -0.137)
OKLCH	oklch(30.54% 0.138 277)
XYZ	xyz(4.1937, 2.5004, 16.1780)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E72 #6D721E

analogous

#1E4372 #231E72 #4D1E72

triadic

#231E72 #72231E #1E7223

tetradic

#231E72 #721E43 #6D721E #1E724D

square

#231E72 #721E43 #6D721E #1E724D

split-complementary

#231E72 #724D1E #43721E

monochromatic

#070618 #141142 #231E72 #322BA2 #473ECC

Accessibility & contrast

On white

14.00

#231E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#231E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E72

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E72	#FFFFFF	#000000	##FFFFFF
##231E72	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F75

Deuteranopia (green-blind)

#002870

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231e72;
/* rgb */ color: rgb(35, 30, 114);
/* oklch */ color: oklch(30.5% 0.138 277.0);

Tailwind

colors: {
  custom: {
    50: '#6a5b9b',
    500: '#231e72',
    950: '#000000',
  },
}

SCSS

$custom: #231e72;
$custom-light: #6a5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#231e72",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 114
  },
  "hsl": {
    "h": 243.571,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30538,
    "c": 0.13804,
    "h": 277
  },
  "luminance": 0.02501
}

Semantic roles & 50–950 ramp

primary

#231E72

secondary

#A0A646

accent

#E246D8

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #231E72

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →