#232B5B#232B5B

#232B5B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.086 H 273.3°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#232B5B
RGB	rgb(35, 43, 91)
HSL	hsl(231, 44%, 25%)
HSV	hsv(231, 62%, 36%)
CMYK	cmyk(61.5%, 52.7%, 0%, 64.3%)
CIE-LAB	lab(19.39, 12.91, -30.00)
CIE-LCH	lch(19.39, 32.66, 293.29°)
OKLab	oklab(31% 0.0049 -0.0857)
OKLCH	oklch(31% 0.086 273.3)
XYZ	xyz(3.4447, 2.8402, 10.2622)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B5B #5B5323

analogous

#23475B #232B5B #37235B

triadic

#232B5B #5B232B #2B5B23

tetradic

#232B5B #5B2347 #5B5323 #235B37

square

#232B5B #5B2347 #5B5323 #235B37

split-complementary

#232B5B #5B3723 #475B23

monochromatic

#090A16 #12162F #232B5B #344087 #4555B3

Accessibility & contrast

On white

13.39

#232B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#232B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B5B

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B5B	#FFFFFF	#000000	##FFFFFF
##232B5B	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13315D

Deuteranopia (green-blind)

#0A2D5A

Tritanopia (blue-blind)

#02363E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #232b5b;
/* rgb */ color: rgb(35, 43, 91);
/* oklch */ color: oklch(31.0% 0.086 273.3);

Tailwind

colors: {
  custom: {
    50: '#64648a',
    500: '#232b5b',
    950: '#000000',
  },
}

SCSS

$custom: #232b5b;
$custom-light: #64648a;
$custom-dark: #000000;

JSON

{
  "hex": "#232b5b",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 91
  },
  "hsl": {
    "h": 231.429,
    "s": 44.444,
    "l": 24.706
  },
  "oklch": {
    "l": 0.30999,
    "c": 0.08581,
    "h": 273.3
  },
  "luminance": 0.0284
}

Semantic roles & 50–950 ramp

primary

#232B5B

secondary

#8F854B

accent

#C254D4

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050B

muted

#7A797C

Preview Lab

Preview with #232B5B

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

Preview Lab → · Contrast checker → · Palette generator →