#232F4E#232F4E

#232F4E is a dark, muted blue. Relative luminance 0.029; OKLCH L 31.0% C 0.058 H 267.0°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#232F4E
RGB	rgb(35, 47, 78)
HSL	hsl(223, 38%, 22%)
HSV	hsv(223, 55%, 31%)
CMYK	cmyk(55.1%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(19.80, 5.16, -20.66)
CIE-LCH	lch(19.80, 21.29, 284.02°)
OKLab	oklab(31.04% -0.0031 -0.0583)
OKLCH	oklch(31.04% 0.058 267)
XYZ	xyz(3.0843, 2.9402, 7.6112)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F4E #4E4223

analogous

#23454E #232F4E #2D234E

triadic

#232F4E #4E232F #2F4E23

tetradic

#232F4E #4E2345 #4E4223 #234E2D

square

#232F4E #4E2345 #4E4223 #234E2D

split-complementary

#232F4E #4E2D23 #454E23

monochromatic

#090D15 #101624 #232F4E #364878 #4962A2

Accessibility & contrast

On white

13.22

#232F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#232F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F4E

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F4E	#FFFFFF	#000000	##FFFFFF
##232F4E	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23324F

Deuteranopia (green-blind)

#1E2E4D

Tritanopia (blue-blind)

#10363A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #232f4e;
/* rgb */ color: rgb(35, 47, 78);
/* oklch */ color: oklch(31.0% 0.058 267.0);

Tailwind

colors: {
  custom: {
    50: '#61677f',
    500: '#232f4e',
    950: '#000000',
  },
}

SCSS

$custom: #232f4e;
$custom-light: #61677f;
$custom-dark: #000000;

JSON

{
  "hex": "#232f4e",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 223.256,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31041,
    "c": 0.05836,
    "h": 267
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#232F4E

secondary

#82724B

accent

#AE5ACE

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #232F4E

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

Preview Lab → · Contrast checker → · Palette generator →