#231D68#231D68

#231D68 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.125 H 278.9°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#231D68
RGB	rgb(35, 29, 104)
HSL	hsl(245, 56%, 26%)
HSV	hsv(245, 72%, 41%)
CMYK	cmyk(66.3%, 72.1%, 0%, 59.2%)
CIE-LAB	lab(16.68, 27.54, -42.98)
CIE-LCH	lch(16.68, 51.05, 302.65°)
OKLab	oklab(29.34% 0.0194 -0.1239)
OKLCH	oklch(29.34% 0.125 278.9)
XYZ	xyz(3.6304, 2.2352, 13.3342)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D68 #62681D

analogous

#1D3C68 #231D68 #481D68

triadic

#231D68 #68231D #1D6823

tetradic

#231D68 #681D3C #62681D #1D6848

square

#231D68 #681D3C #62681D #1D6848

split-complementary

#231D68 #68481D #3C681D

monochromatic

#080718 #131038 #231D68 #332A98 #4338C7

Accessibility & contrast

On white

14.51

#231D68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#231D68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D68

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D68	#FFFFFF	#000000	##FFFFFF
##231D68	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002667

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231d68;
/* rgb */ color: rgb(35, 29, 104);
/* oklch */ color: oklch(29.3% 0.125 278.9);

Tailwind

colors: {
  custom: {
    50: '#685a94',
    500: '#231d68',
    950: '#000000',
  },
}

SCSS

$custom: #231d68;
$custom-light: #685a94;
$custom-dark: #000000;

JSON

{
  "hex": "#231d68",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 104
  },
  "hsl": {
    "h": 244.8,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29336,
    "c": 0.12545,
    "h": 278.9
  },
  "luminance": 0.02236
}

Semantic roles & 50–950 ramp

primary

#231D68

secondary

#969D44

accent

#E048D4

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231D68

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

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