#37299A#37299A

#37299A is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.174 H 279.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#37299A
RGB	rgb(55, 41, 154)
HSL	hsl(247, 58%, 38%)
HSV	hsv(247, 73%, 60%)
CMYK	cmyk(64.3%, 73.4%, 0%, 39.6%)
CIE-LAB	lab(25.95, 40.10, -59.31)
CIE-LCH	lch(25.95, 71.59, 304.06°)
OKLab	oklab(37.9% 0.0294 -0.1711)
OKLCH	oklch(37.9% 0.174 279.7)
XYZ	xyz(8.1994, 4.7306, 31.0466)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37299A #8C9A29

analogous

#29539A #37299A #6F299A

triadic

#37299A #9A3729 #299A37

tetradic

#37299A #9A2953 #8C9A29 #299A6F

square

#37299A #9A2953 #8C9A29 #299A6F

split-complementary

#37299A #9A6F29 #539A29

monochromatic

#140F39 #261C6A #37299A #4937CA #7567D7

Accessibility & contrast

On white

10.79

#37299A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#37299A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37299A

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37299A	#FFFFFF	#000000	##FFFFFF
##37299A	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #37299a;
/* rgb */ color: rgb(55, 41, 154);
/* oklch */ color: oklch(37.9% 0.174 279.7);

Tailwind

colors: {
  custom: {
    50: '#7b65b9',
    500: '#37299a',
    950: '#000000',
  },
}

SCSS

$custom: #37299a;
$custom-light: #7b65b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37299a",
  "rgb": {
    "r": 55,
    "g": 41,
    "b": 154
  },
  "hsl": {
    "h": 247.434,
    "s": 57.949,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37903,
    "c": 0.17362,
    "h": 279.7
  },
  "luminance": 0.04731
}

Semantic roles & 50–950 ramp

primary

#37299A

secondary

#B1BD62

accent

#E147CE

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #37299A

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

Preview Lab → · Contrast checker → · Palette generator →