#23137B#23137B

#23137B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.161 H 277.5°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#23137B
RGB	rgb(35, 19, 123)
HSL	hsl(249, 73%, 28%)
HSV	hsv(249, 85%, 48%)
CMYK	cmyk(71.5%, 84.6%, 0%, 51.8%)
CIE-LAB	lab(16.76, 39.67, -55.15)
CIE-LCH	lch(16.76, 67.93, 305.73°)
OKLab	oklab(30.02% 0.0211 -0.1593)
OKLCH	oklch(30.02% 0.161 277.5)
XYZ	xyz(4.5000, 2.2527, 18.9327)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23137B #6B7B13

analogous

#13377B #23137B #57137B

triadic

#23137B #7B2313 #137B23

tetradic

#23137B #7B1337 #6B7B13 #137B57

square

#23137B #7B1337 #6B7B13 #137B57

split-complementary

#23137B #7B5713 #377B13

monochromatic

#08041B #140B46 #23137B #321BB0 #462ADE

Accessibility & contrast

On white

14.48

#23137B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#23137B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23137B

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23137B	#FFFFFF	#000000	##FFFFFF
##23137B	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003448

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #23137b;
/* rgb */ color: rgb(35, 19, 123);
/* oklch */ color: oklch(30.0% 0.161 277.5);

Tailwind

colors: {
  custom: {
    50: '#6d55a2',
    500: '#23137b',
    950: '#000000',
  },
}

SCSS

$custom: #23137b;
$custom-light: #6d55a2;
$custom-dark: #000000;

JSON

{
  "hex": "#23137b",
  "rgb": {
    "r": 35,
    "g": 19,
    "b": 123
  },
  "hsl": {
    "h": 249.231,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30022,
    "c": 0.1607,
    "h": 277.5
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#23137B

secondary

#9EB139

accent

#F038D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23137B

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

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