#23278B#23278B

#23278B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.161 H 272.5°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#23278B
RGB	rgb(35, 39, 139)
HSL	hsl(238, 60%, 34%)
HSV	hsv(238, 75%, 55%)
CMYK	cmyk(74.8%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(22.56, 33.75, -55.68)
CIE-LCH	lch(22.56, 65.11, 301.22°)
OKLab	oklab(34.64% 0.0071 -0.1611)
OKLCH	oklch(34.64% 0.161 272.5)
XYZ	xyz(6.0773, 3.6718, 24.8095)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23278B #8B8723

analogous

#235B8B #23278B #53238B

triadic

#23278B #8B2327 #278B23

tetradic

#23278B #8B235B #8B8723 #238B53

square

#23278B #8B235B #8B8723 #238B53

split-complementary

#23278B #8B5323 #5B8B23

monochromatic

#0A0C29 #17195A #23278B #2F35BC #5459D4

Accessibility & contrast

On white

12.11

#23278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#23278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23278B

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23278B	#FFFFFF	#000000	##FFFFFF
##23278B	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #23278b;
/* rgb */ color: rgb(35, 39, 139);
/* oklch */ color: oklch(34.6% 0.161 272.5);

Tailwind

colors: {
  custom: {
    50: '#6f62ae',
    500: '#23278b',
    950: '#000000',
  },
}

SCSS

$custom: #23278b;
$custom-light: #6f62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#23278b",
  "rgb": {
    "r": 35,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 237.692,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34641,
    "c": 0.16122,
    "h": 272.5
  },
  "luminance": 0.03672
}

Semantic roles & 50–950 ramp

primary

#23278B

secondary

#B8B452

accent

#DD45E3

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #23278B

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

Preview Lab → · Contrast checker → · Palette generator →