#231D69#231D69

#231D69 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.4% C 0.127 H 278.7°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#231D69
RGB	rgb(35, 29, 105)
HSL	hsl(245, 57%, 26%)
HSV	hsv(245, 72%, 41%)
CMYK	cmyk(66.7%, 72.4%, 0%, 58.8%)
CIE-LAB	lab(16.78, 27.90, -43.47)
CIE-LCH	lch(16.78, 51.65, 302.69°)
OKLab	oklab(29.44% 0.0192 -0.1254)
OKLCH	oklch(29.44% 0.127 278.7)
XYZ	xyz(3.6815, 2.2557, 13.6032)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D69 #63691D

analogous

#1D3D69 #231D69 #491D69

triadic

#231D69 #69231D #1D6923

tetradic

#231D69 #691D3D #63691D #1D6949

square

#231D69 #691D3D #63691D #1D6949

split-complementary

#231D69 #69491D #3D691D

monochromatic

#080718 #131039 #231D69 #332A99 #4438C8

Accessibility & contrast

On white

14.47

#231D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#231D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D69

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D69	#FFFFFF	#000000	##FFFFFF
##231D69	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6B

Deuteranopia (green-blind)

#002668

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231d69;
/* rgb */ color: rgb(35, 29, 105);
/* oklch */ color: oklch(29.4% 0.127 278.7);

Tailwind

colors: {
  custom: {
    50: '#685a95',
    500: '#231d69',
    950: '#000000',
  },
}

SCSS

$custom: #231d69;
$custom-light: #685a95;
$custom-dark: #000000;

JSON

{
  "hex": "#231d69",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 105
  },
  "hsl": {
    "h": 244.737,
    "s": 56.716,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29438,
    "c": 0.12685,
    "h": 278.7
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#231D69

secondary

#979E44

accent

#E048D4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231D69

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

Preview Lab → · Contrast checker → · Palette generator →