#232B59#232B59

#232B59 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.8% C 0.083 H 273.2°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#232B59
RGB	rgb(35, 43, 89)
HSL	hsl(231, 44%, 24%)
HSV	hsv(231, 61%, 35%)
CMYK	cmyk(60.7%, 51.7%, 0%, 65.1%)
CIE-LAB	lab(19.25, 12.15, -28.90)
CIE-LCH	lch(19.25, 31.35, 292.81°)
OKLab	oklab(30.85% 0.0046 -0.0824)
OKLCH	oklch(30.85% 0.083 273.2)
XYZ	xyz(3.3596, 2.8061, 9.8139)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B59 #595123

analogous

#234659 #232B59 #362359

triadic

#232B59 #59232B #2B5923

tetradic

#232B59 #592346 #595123 #235936

square

#232B59 #592346 #595123 #235936

split-complementary

#232B59 #593623 #465923

monochromatic

#090B16 #12162D #232B59 #344085 #4655B1

Accessibility & contrast

On white

13.45

#232B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#232B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B59

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B59	#FFFFFF	#000000	##FFFFFF
##232B59	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15315B

Deuteranopia (green-blind)

#0D2C58

Tritanopia (blue-blind)

#05353D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #232b59;
/* rgb */ color: rgb(35, 43, 89);
/* oklch */ color: oklch(30.8% 0.083 273.2);

Tailwind

colors: {
  custom: {
    50: '#636488',
    500: '#232b59',
    950: '#000000',
  },
}

SCSS

$custom: #232b59;
$custom-light: #636488;
$custom-dark: #000000;

JSON

{
  "hex": "#232b59",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 89
  },
  "hsl": {
    "h": 231.111,
    "s": 43.548,
    "l": 24.314
  },
  "oklch": {
    "l": 0.30846,
    "c": 0.08257,
    "h": 273.2
  },
  "luminance": 0.02806
}

Semantic roles & 50–950 ramp

primary

#232B59

secondary

#8D834B

accent

#C155D3

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#05050B

muted

#7A797C

Preview Lab

Preview with #232B59

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

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