#231877#231877

#231877 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.151 H 277.5°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#231877
RGB	rgb(35, 24, 119)
HSL	hsl(247, 66%, 28%)
HSV	hsv(247, 80%, 47%)
CMYK	cmyk(70.6%, 79.8%, 0%, 53.3%)
CIE-LAB	lab(17.19, 35.77, -51.87)
CIE-LCH	lch(17.19, 63.01, 304.59°)
OKLab	oklab(30.18% 0.0197 -0.1499)
OKLCH	oklch(30.18% 0.151 277.5)
XYZ	xyz(4.3485, 2.3421, 17.6721)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231877 #6C7718

analogous

#183D77 #231877 #521877

triadic

#231877 #772318 #187723

tetradic

#231877 #77183D #6C7718 #187752

square

#231877 #77183D #6C7718 #187752

split-complementary

#231877 #775218 #3D7718

monochromatic

#070519 #140E44 #231877 #3222AA #4633D6

Accessibility & contrast

On white

14.30

#231877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#231877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231877

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231877	#FFFFFF	#000000	##FFFFFF
##231877	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002675

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #231877;
/* rgb */ color: rgb(35, 24, 119);
/* oklch */ color: oklch(30.2% 0.151 277.5);

Tailwind

colors: {
  custom: {
    50: '#6c579f',
    500: '#231877',
    950: '#000000',
  },
}

SCSS

$custom: #231877;
$custom-light: #6c579f;
$custom-dark: #000000;

JSON

{
  "hex": "#231877",
  "rgb": {
    "r": 35,
    "g": 24,
    "b": 119
  },
  "hsl": {
    "h": 246.947,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30181,
    "c": 0.15117,
    "h": 277.5
  },
  "luminance": 0.02343
}

Semantic roles & 50–950 ramp

primary

#231877

secondary

#9FAC3F

accent

#E93ED6

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030F

muted

#7A787E

Preview Lab

Preview with #231877

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

Preview Lab → · Contrast checker → · Palette generator →