#37239D#37239D

#37239D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.4% C 0.183 H 280.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#37239D
RGB	rgb(55, 35, 157)
HSL	hsl(250, 64%, 38%)
HSV	hsv(250, 78%, 62%)
CMYK	cmyk(65%, 77.7%, 0%, 38.4%)
CIE-LAB	lab(25.10, 44.32, -62.54)
CIE-LCH	lch(25.10, 76.65, 305.32°)
OKLab	oklab(37.39% 0.0326 -0.1805)
OKLCH	oklch(37.39% 0.183 280.2)
XYZ	xyz(8.2605, 4.4480, 32.3150)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37239D #899D23

analogous

#234C9D #37239D #74239D

triadic

#37239D #9D3723 #239D37

tetradic

#37239D #9D234C #899D23 #239D74

square

#37239D #9D234C #899D23 #239D74

split-complementary

#37239D #9D7423 #4C9D23

monochromatic

#140D39 #25186B #37239D #492ECF #735FDB

Accessibility & contrast

On white

11.11

#37239D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#37239D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37239D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37239D	#FFFFFF	#000000	##FFFFFF
##37239D	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00379B

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37239d;
/* rgb */ color: rgb(55, 35, 157);
/* oklch */ color: oklch(37.4% 0.183 280.2);

Tailwind

colors: {
  custom: {
    50: '#7c61bb',
    500: '#37239d',
    950: '#000000',
  },
}

SCSS

$custom: #37239d;
$custom-light: #7c61bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37239d",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 157
  },
  "hsl": {
    "h": 249.836,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37393,
    "c": 0.18345,
    "h": 280.2
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#37239D

secondary

#B0C05C

accent

#E741CB

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #37239D

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

Preview Lab → · Contrast checker → · Palette generator →