#232F9B#232F9B

#232F9B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.173 H 270.2°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#232F9B
RGB	rgb(35, 47, 155)
HSL	hsl(234, 63%, 37%)
HSV	hsv(234, 77%, 61%)
CMYK	cmyk(77.4%, 69.7%, 0%, 39.2%)
CIE-LAB	lab(26.03, 34.48, -59.84)
CIE-LCH	lch(26.03, 69.06, 299.95°)
OKLab	oklab(37.64% 0.0007 -0.1732)
OKLCH	oklch(37.64% 0.173 270.2)
XYZ	xyz(7.6240, 4.7561, 31.5202)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232F9B #9B8F23

analogous

#236B9B #232F9B #53239B

triadic

#232F9B #9B232F #2F9B23

tetradic

#232F9B #9B236B #9B8F23 #239B53

square

#232F9B #9B236B #9B8F23 #239B53

split-complementary

#232F9B #9B5323 #6B9B23

monochromatic

#0C1137 #182069 #232F9B #2E3ECD #5E6ADB

Accessibility & contrast

On white

10.76

#232F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#232F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232F9B

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232F9B	#FFFFFF	#000000	##FFFFFF
##232F9B	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #232f9b;
/* rgb */ color: rgb(35, 47, 155);
/* oklch */ color: oklch(37.6% 0.173 270.2);

Tailwind

colors: {
  custom: {
    50: '#7268ba',
    500: '#232f9b',
    950: '#000000',
  },
}

SCSS

$custom: #232f9b;
$custom-light: #7268ba;
$custom-dark: #000000;

JSON

{
  "hex": "#232f9b",
  "rgb": {
    "r": 35,
    "g": 47,
    "b": 155
  },
  "hsl": {
    "h": 234,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37635,
    "c": 0.17321,
    "h": 270.2
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#232F9B

secondary

#BFB55A

accent

#D642E6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #232F9B

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

Preview Lab → · Contrast checker → · Palette generator →