#232B51#232B51

#232B51 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.3% C 0.069 H 272.7°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#232B51
RGB	rgb(35, 43, 81)
HSL	hsl(230, 40%, 23%)
HSV	hsv(230, 57%, 32%)
CMYK	cmyk(56.8%, 46.9%, 0%, 68.2%)
CIE-LAB	lab(18.71, 9.13, -24.41)
CIE-LCH	lch(18.71, 26.06, 290.52°)
OKLab	oklab(30.26% 0.0032 -0.0693)
OKLCH	oklch(30.26% 0.069 272.7)
XYZ	xyz(3.0417, 2.6790, 8.1398)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B51 #514923

analogous

#234251 #232B51 #322351

triadic

#232B51 #51232B #2B5123

tetradic

#232B51 #512342 #514923 #235132

square

#232B51 #512342 #514923 #235132

split-complementary

#232B51 #513223 #425123

monochromatic

#090B15 #111426 #232B51 #35427C #4858A6

Accessibility & contrast

On white

13.67

#232B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#232B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B51

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B51	#FFFFFF	#000000	##FFFFFF
##232B51	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3052

Deuteranopia (green-blind)

#162C50

Tritanopia (blue-blind)

#0E333A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #232b51;
/* rgb */ color: rgb(35, 43, 81);
/* oklch */ color: oklch(30.3% 0.069 272.7);

Tailwind

colors: {
  custom: {
    50: '#626482',
    500: '#232b51',
    950: '#000000',
  },
}

SCSS

$custom: #232b51;
$custom-light: #626482;
$custom-dark: #000000;

JSON

{
  "hex": "#232b51",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 81
  },
  "hsl": {
    "h": 229.565,
    "s": 39.655,
    "l": 22.745
  },
  "oklch": {
    "l": 0.30259,
    "c": 0.06934,
    "h": 272.7
  },
  "luminance": 0.02679
}

Semantic roles & 50–950 ramp

primary

#232B51

secondary

#857B4B

accent

#BB58D0

background

#F5F5F7

surface

#EAEAEE

border

#C6C6C9

text

#05050A

muted

#79797C

Preview Lab

Preview with #232B51

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

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