#232B8B#232B8B

#232B8B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.157 H 271.7°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#232B8B
RGB	rgb(35, 43, 139)
HSL	hsl(235, 60%, 34%)
HSV	hsv(235, 75%, 55%)
CMYK	cmyk(74.8%, 69.1%, 0%, 45.5%)
CIE-LAB	lab(23.50, 31.18, -54.13)
CIE-LCH	lch(23.50, 62.47, 299.95°)
OKLab	oklab(35.32% 0.0046 -0.1565)
OKLCH	oklch(35.32% 0.157 271.7)
XYZ	xyz(6.2156, 3.9485, 24.8557)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#232B8B #8B8323

analogous

#235F8B #232B8B #4F238B

triadic

#232B8B #8B232B #2B8B23

tetradic

#232B8B #8B235F #8B8323 #238B4F

square

#232B8B #8B235F #8B8323 #238B4F

split-complementary

#232B8B #8B4F23 #5F8B23

monochromatic

#0A0D29 #171C5A #232B8B #2F3ABC #545ED4

Accessibility & contrast

On white

11.73

#232B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#232B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #232B8B

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##232B8B	#FFFFFF	#000000	##FFFFFF
##232B8B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #232b8b;
/* rgb */ color: rgb(35, 43, 139);
/* oklch */ color: oklch(35.3% 0.157 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f64ae',
    500: '#232b8b',
    950: '#000000',
  },
}

SCSS

$custom: #232b8b;
$custom-light: #6f64ae;
$custom-dark: #000000;

JSON

{
  "hex": "#232b8b",
  "rgb": {
    "r": 35,
    "g": 43,
    "b": 139
  },
  "hsl": {
    "h": 235.385,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35324,
    "c": 0.1566,
    "h": 271.7
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#232B8B

secondary

#B8B052

accent

#D745E3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #232B8B

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

Preview Lab → · Contrast checker → · Palette generator →