#232B4A#232B4A

#232B4A is a dark, muted blue. Relative luminance 0.026; OKLCH L 29.8% C 0.057 H 271.6°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#232B4A
RGB	rgb(35, 43, 74)
HSL	hsl(228, 36%, 21%)
HSV	hsv(228, 53%, 29%)
CMYK	cmyk(52.7%, 41.9%, 0%, 71%)
CIE-LAB	lab(18.27, 6.56, -20.37)
CIE-LCH	lch(18.27, 21.40, 287.85°)
OKLab	oklab(29.78% 0.0016 -0.0574)
OKLCH	oklch(29.78% 0.057 271.6)
XYZ	xyz(2.7927, 2.5793, 6.8279)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B4A #4A4223

analogous

#233F4A #232B4A #2F234A

triadic

#232B4A #4A232B #2B4A23

tetradic

#232B4A #4A233F #4A4223 #234A2F

square

#232B4A #4A233F #4A4223 #234A2F

split-complementary

#232B4A #4A2F23 #3F4A23

monochromatic

#0A0C15 #0F1320 #232B4A #374374 #4A5B9D

Accessibility & contrast

On white

13.85

#232B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#232B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B4A

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B4A	#FFFFFF	#000000	##FFFFFF
##232B4A	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F2E4B

Deuteranopia (green-blind)

#1C2B49

Tritanopia (blue-blind)

#143137

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #232b4a;
/* rgb */ color: rgb(35, 43, 74);
/* oklch */ color: oklch(29.8% 0.057 271.6);

Tailwind

colors: {
  custom: {
    50: '#60647c',
    500: '#232b4a',
    950: '#000000',
  },
}

SCSS

$custom: #232b4a;
$custom-light: #60647c;
$custom-dark: #000000;

JSON

{
  "hex": "#232b4a",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 74
  },
  "hsl": {
    "h": 227.692,
    "s": 35.78,
    "l": 21.373
  },
  "oklch": {
    "l": 0.29783,
    "c": 0.05747,
    "h": 271.6
  },
  "luminance": 0.02579
}

Semantic roles & 50–950 ramp

primary

#232B4A

secondary

#7E734B

accent

#B55CCC

background

#F5F5F7

surface

#EAEAEE

border

#C6C6C9

text

#050509

muted

#79797B

Preview Lab

Preview with #232B4A

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

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