#231E88#231E88

#231E88 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.9% C 0.167 H 274.3°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#231E88
RGB	rgb(35, 30, 136)
HSL	hsl(243, 64%, 33%)
HSV	hsv(243, 78%, 53%)
CMYK	cmyk(74.3%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(20.29, 38.12, -57.53)
CIE-LCH	lch(20.29, 69.02, 303.53°)
OKLab	oklab(32.93% 0.0124 -0.1664)
OKLCH	oklch(32.93% 0.167 274.3)
XYZ	xyz(5.5999, 3.0629, 23.5839)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E88 #83881E

analogous

#1E4E88 #231E88 #581E88

triadic

#231E88 #88231E #1E8823

tetradic

#231E88 #881E4E #83881E #1E8858

square

#231E88 #881E4E #83881E #1E8858

split-complementary

#231E88 #88581E #4E881E

monochromatic

#090824 #161356 #231E88 #3029BA #5049D7

Accessibility & contrast

On white

13.02

#231E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#231E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E88

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E88	#FFFFFF	#000000	##FFFFFF
##231E88	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002C86

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #231e88;
/* rgb */ color: rgb(35, 30, 136);
/* oklch */ color: oklch(32.9% 0.167 274.3);

Tailwind

colors: {
  custom: {
    50: '#6f5cac',
    500: '#231e88',
    950: '#000000',
  },
}

SCSS

$custom: #231e88;
$custom-light: #6f5cac;
$custom-dark: #000000;

JSON

{
  "hex": "#231e88",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 242.83,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32934,
    "c": 0.16688,
    "h": 274.3
  },
  "luminance": 0.03063
}

Semantic roles & 50–950 ramp

primary

#231E88

secondary

#B4B949

accent

#E741DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #231E88

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

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