#37279F#37279F

#37279F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.182 H 279.4°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#37279F
RGB	rgb(55, 39, 159)
HSL	hsl(248, 61%, 39%)
HSV	hsv(248, 75%, 62%)
CMYK	cmyk(65.4%, 75.5%, 0%, 37.6%)
CIE-LAB	lab(26.06, 42.82, -62.19)
CIE-LCH	lch(26.06, 75.50, 304.55°)
OKLab	oklab(38.13% 0.0296 -0.1795)
OKLCH	oklch(38.13% 0.182 279.4)
XYZ	xyz(8.5571, 4.7658, 33.2631)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37279F #8F9F27

analogous

#27539F #37279F #73279F

triadic

#37279F #9F3727 #279F37

tetradic

#37279F #9F2753 #8F9F27 #279F73

square

#37279F #9F2753 #8F9F27 #279F73

split-complementary

#37279F #9F7327 #539F27

monochromatic

#150F3D #261B6E #37279F #4A36CE #7667DA

Accessibility & contrast

On white

10.75

#37279F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#37279F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37279F

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37279F	#FFFFFF	#000000	##FFFFFF
##37279F	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #37279f;
/* rgb */ color: rgb(55, 39, 159);
/* oklch */ color: oklch(38.1% 0.182 279.4);

Tailwind

colors: {
  custom: {
    50: '#7c64bd',
    500: '#37279f',
    950: '#000000',
  },
}

SCSS

$custom: #37279f;
$custom-light: #7c64bd;
$custom-dark: #000000;

JSON

{
  "hex": "#37279f",
  "rgb": {
    "r": 55,
    "g": 39,
    "b": 159
  },
  "hsl": {
    "h": 248,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38127,
    "c": 0.18195,
    "h": 279.4
  },
  "luminance": 0.04766
}

Semantic roles & 50–950 ramp

primary

#37279F

secondary

#B3C062

accent

#E444CE

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #37279F

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

Preview Lab → · Contrast checker → · Palette generator →