#37239F#37239F

#37239F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.6% C 0.186 H 279.9°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#37239F
RGB	rgb(55, 35, 159)
HSL	hsl(250, 64%, 38%)
HSV	hsv(250, 78%, 62%)
CMYK	cmyk(65.4%, 78%, 0%, 37.6%)
CIE-LAB	lab(25.31, 44.94, -63.42)
CIE-LCH	lch(25.31, 77.72, 305.32°)
OKLab	oklab(37.6% 0.0321 -0.1831)
OKLCH	oklch(37.6% 0.186 279.9)
XYZ	xyz(8.4326, 4.5168, 33.2216)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37239F #8B9F23

analogous

#234D9F #37239F #75239F

triadic

#37239F #9F3723 #239F37

tetradic

#37239F #9F234D #8B9F23 #239F75

square

#37239F #9F234D #8B9F23 #239F75

split-complementary

#37239F #9F7523 #4D9F23

monochromatic

#140D3B #26186D #37239F #482ED1 #7460DC

Accessibility & contrast

On white

11.03

#37239F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#37239F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37239F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37239F	#FFFFFF	#000000	##FFFFFF
##37239F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37239f;
/* rgb */ color: rgb(55, 35, 159);
/* oklch */ color: oklch(37.6% 0.186 279.9);

Tailwind

colors: {
  custom: {
    50: '#7c61bd',
    500: '#37239f',
    950: '#000000',
  },
}

SCSS

$custom: #37239f;
$custom-light: #7c61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#37239f",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 159
  },
  "hsl": {
    "h": 249.677,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37603,
    "c": 0.18586,
    "h": 279.9
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#37239F

secondary

#B1C15D

accent

#E741CC

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #37239F

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

Preview Lab → · Contrast checker → · Palette generator →