#232F83#232F83

#232F83 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.141 H 271.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#232F83
RGB	rgb(35, 47, 131)
HSL	hsl(233, 58%, 33%)
HSV	hsv(233, 73%, 51%)
CMYK	cmyk(73.3%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(23.77, 25.50, -48.69)
CIE-LCH	lch(23.77, 54.97, 297.64°)
OKLab	oklab(35.29% 0.0024 -0.1406)
OKLCH	oklch(35.29% 0.141 271)
XYZ	xyz(5.8050, 4.0285, 21.9400)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F83 #837723

analogous

#235F83 #232F83 #472383

triadic

#232F83 #83232F #2F8323

tetradic

#232F83 #83235F #837723 #238347

square

#232F83 #83235F #837723 #238347

split-complementary

#232F83 #834723 #5F8323

monochromatic

#090C22 #161E53 #232F83 #3040B3 #5060D0

Accessibility & contrast

On white

11.63

#232F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#232F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F83

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F83	#FFFFFF	#000000	##FFFFFF
##232F83	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003481

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #232f83;
/* rgb */ color: rgb(35, 47, 131);
/* oklch */ color: oklch(35.3% 0.141 271.0);

Tailwind

colors: {
  custom: {
    50: '#6c67a8',
    500: '#232f83',
    950: '#000000',
  },
}

SCSS

$custom: #232f83;
$custom-light: #6c67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#232f83",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 232.5,
    "s": 57.831,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35289,
    "c": 0.1406,
    "h": 271
  },
  "luminance": 0.04029
}

Semantic roles & 50–950 ramp

primary

#232F83

secondary

#B4A74E

accent

#CE47E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #232F83

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

Preview Lab → · Contrast checker → · Palette generator →