#231D76#231D76

#231D76 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.145 H 276.7°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#231D76
RGB	rgb(35, 29, 118)
HSL	hsl(244, 61%, 29%)
HSV	hsv(244, 75%, 46%)
CMYK	cmyk(70.3%, 75.4%, 0%, 53.7%)
CIE-LAB	lab(18.12, 32.50, -49.70)
CIE-LCH	lch(18.12, 59.39, 303.18°)
OKLab	oklab(30.8% 0.0168 -0.1436)
OKLCH	oklch(30.8% 0.145 276.7)
XYZ	xyz(4.4014, 2.5437, 17.3951)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D76 #70761D

analogous

#1D4476 #231D76 #501D76

triadic

#231D76 #76231D #1D7623

tetradic

#231D76 #761D44 #70761D #1D7650

square

#231D76 #761D44 #70761D #1D7650

split-complementary

#231D76 #76501D #44761D

monochromatic

#070619 #141145 #231D76 #3229A7 #483ED0

Accessibility & contrast

On white

13.92

#231D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#231D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D76

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D76	#FFFFFF	#000000	##FFFFFF
##231D76	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002874

Tritanopia (blue-blind)

#003647

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #231d76;
/* rgb */ color: rgb(35, 29, 118);
/* oklch */ color: oklch(30.8% 0.145 276.7);

Tailwind

colors: {
  custom: {
    50: '#6b5a9e',
    500: '#231d76',
    950: '#000000',
  },
}

SCSS

$custom: #231d76;
$custom-light: #6b5a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#231d76",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 118
  },
  "hsl": {
    "h": 244.045,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30803,
    "c": 0.14457,
    "h": 276.7
  },
  "luminance": 0.02544
}

Semantic roles & 50–950 ramp

primary

#231D76

secondary

#A3AA45

accent

#E444D9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #231D76

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

Preview Lab → · Contrast checker → · Palette generator →