#232F81#232F81

#232F81 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.138 H 271.0°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#232F81
RGB	rgb(35, 47, 129)
HSL	hsl(232, 57%, 32%)
HSV	hsv(232, 73%, 51%)
CMYK	cmyk(72.9%, 63.6%, 0%, 49.4%)
CIE-LAB	lab(23.59, 24.74, -47.72)
CIE-LCH	lch(23.59, 53.76, 297.40°)
OKLab	oklab(35.1% 0.0024 -0.1377)
OKLCH	oklch(35.1% 0.138 271)
XYZ	xyz(5.6708, 3.9748, 21.2330)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F81 #817523

analogous

#235E81 #232F81 #462381

triadic

#232F81 #81232F #2F8123

tetradic

#232F81 #81235E #817523 #238146

square

#232F81 #81235E #817523 #238146

split-complementary

#232F81 #814623 #5E8123

monochromatic

#090C21 #161D51 #232F81 #3041B1 #4F5FCF

Accessibility & contrast

On white

11.70

#232F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#232F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F81

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F81	#FFFFFF	#000000	##FFFFFF
##232F81	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #232f81;
/* rgb */ color: rgb(35, 47, 129);
/* oklch */ color: oklch(35.1% 0.138 271.0);

Tailwind

colors: {
  custom: {
    50: '#6c67a6',
    500: '#232f81',
    950: '#000000',
  },
}

SCSS

$custom: #232f81;
$custom-light: #6c67a6;
$custom-dark: #000000;

JSON

{
  "hex": "#232f81",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 129
  },
  "hsl": {
    "h": 232.34,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35103,
    "c": 0.13777,
    "h": 271
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#232F81

secondary

#B3A64D

accent

#CD47E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #232F81

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

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