#37259E#37259E

#37259E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.8% C 0.183 H 279.8°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#37259E
RGB	rgb(55, 37, 158)
HSL	hsl(249, 62%, 38%)
HSV	hsv(249, 77%, 62%)
CMYK	cmyk(65.2%, 76.6%, 0%, 38%)
CIE-LAB	lab(25.57, 43.58, -62.37)
CIE-LCH	lch(25.57, 76.09, 304.94°)
OKLab	oklab(37.76% 0.0311 -0.18)
OKLCH	oklch(37.76% 0.183 279.8)
XYZ	xyz(8.4067, 4.6033, 32.7866)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37259E #8C9E25

analogous

#254F9E #37259E #73259E

triadic

#37259E #9E3725 #259E37

tetradic

#37259E #9E254F #8C9E25 #259E73

square

#37259E #9E254F #8C9E25 #259E73

split-complementary

#37259E #9E7325 #4F9E25

monochromatic

#140E3B #26196C #37259E #4931CF #7563DA

Accessibility & contrast

On white

10.93

#37259E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#37259E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37259E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37259E	#FFFFFF	#000000	##FFFFFF
##37259E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #37259e;
/* rgb */ color: rgb(55, 37, 158);
/* oklch */ color: oklch(37.8% 0.183 279.8);

Tailwind

colors: {
  custom: {
    50: '#7c62bc',
    500: '#37259e',
    950: '#000000',
  },
}

SCSS

$custom: #37259e;
$custom-light: #7c62bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37259e",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 158
  },
  "hsl": {
    "h": 248.926,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37756,
    "c": 0.18272,
    "h": 279.8
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#37259E

secondary

#B1C05F

accent

#E543CD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #37259E

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

Preview Lab → · Contrast checker → · Palette generator →