#37239E#37239E

#37239E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.185 H 280.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#37239E
RGB	rgb(55, 35, 158)
HSL	hsl(250, 64%, 38%)
HSV	hsv(250, 78%, 62%)
CMYK	cmyk(65.2%, 77.8%, 0%, 38%)
CIE-LAB	lab(25.21, 44.63, -62.98)
CIE-LCH	lch(25.21, 77.19, 305.32°)
OKLab	oklab(37.5% 0.0324 -0.1818)
OKLCH	oklch(37.5% 0.185 280.1)
XYZ	xyz(8.3462, 4.4823, 32.7665)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37239E #8A9E23

analogous

#234C9E #37239E #74239E

triadic

#37239E #9E3723 #239E37

tetradic

#37239E #9E234C #8A9E23 #239E74

square

#37239E #9E234C #8A9E23 #239E74

split-complementary

#37239E #9E7423 #4C9E23

monochromatic

#140D3A #26186C #37239E #482ED0 #7460DC

Accessibility & contrast

On white

11.07

#37239E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#37239E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37239E

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37239E	#FFFFFF	#000000	##FFFFFF
##37239E	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37239e;
/* rgb */ color: rgb(55, 35, 158);
/* oklch */ color: oklch(37.5% 0.185 280.1);

Tailwind

colors: {
  custom: {
    50: '#7c61bc',
    500: '#37239e',
    950: '#000000',
  },
}

SCSS

$custom: #37239e;
$custom-light: #7c61bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37239e",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 158
  },
  "hsl": {
    "h": 249.756,
    "s": 63.731,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37498,
    "c": 0.18466,
    "h": 280.1
  },
  "luminance": 0.04483
}

Semantic roles & 50–950 ramp

primary

#37239E

secondary

#B0C15C

accent

#E741CC

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #37239E

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

Preview Lab → · Contrast checker → · Palette generator →