#232F4F#232F4F

#232F4F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.1% C 0.060 H 267.3°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#232F4F
RGB	rgb(35, 47, 79)
HSL	hsl(224, 39%, 22%)
HSV	hsv(224, 56%, 31%)
CMYK	cmyk(55.7%, 40.5%, 0%, 69%)
CIE-LAB	lab(19.86, 5.53, -21.24)
CIE-LCH	lch(19.86, 21.95, 284.59°)
OKLab	oklab(31.11% -0.0028 -0.06)
OKLCH	oklch(31.11% 0.06 267.3)
XYZ	xyz(3.1205, 2.9547, 7.8015)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F4F #4F4323

analogous

#23454F #232F4F #2D234F

triadic

#232F4F #4F232F #2F4F23

tetradic

#232F4F #4F2345 #4F4323 #234F2D

square

#232F4F #4F2345 #4F4323 #234F2D

split-complementary

#232F4F #4F2D23 #454F23

monochromatic

#090D15 #101625 #232F4F #364879 #4961A4

Accessibility & contrast

On white

13.20

#232F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#232F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F4F

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F4F	#FFFFFF	#000000	##FFFFFF
##232F4F	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233250

Deuteranopia (green-blind)

#1E2E4E

Tritanopia (blue-blind)

#0F363B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #232f4f;
/* rgb */ color: rgb(35, 47, 79);
/* oklch */ color: oklch(31.1% 0.060 267.3);

Tailwind

colors: {
  custom: {
    50: '#616780',
    500: '#232f4f',
    950: '#000000',
  },
}

SCSS

$custom: #232f4f;
$custom-light: #616780;
$custom-dark: #000000;

JSON

{
  "hex": "#232f4f",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 79
  },
  "hsl": {
    "h": 223.636,
    "s": 38.596,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31105,
    "c": 0.06004,
    "h": 267.3
  },
  "luminance": 0.02955
}

Semantic roles & 50–950 ramp

primary

#232F4F

secondary

#83744B

accent

#AF59CF

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #232F4F

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

Preview Lab → · Contrast checker → · Palette generator →