#37299E#37299E

#37299E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.179 H 279.2°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#37299E
RGB	rgb(55, 41, 158)
HSL	hsl(247, 59%, 39%)
HSV	hsv(247, 74%, 62%)
CMYK	cmyk(65.2%, 74.1%, 0%, 38%)
CIE-LAB	lab(26.35, 41.39, -61.10)
CIE-LCH	lch(26.35, 73.79, 304.11°)
OKLab	oklab(38.3% 0.0285 -0.1763)
OKLCH	oklch(38.3% 0.179 279.2)
XYZ	xyz(8.5381, 4.8660, 32.8304)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37299E #909E29

analogous

#29569E #37299E #72299E

triadic

#37299E #9E3729 #299E37

tetradic

#37299E #9E2956 #909E29 #299E72

square

#37299E #9E2956 #909E29 #299E72

split-complementary

#37299E #9E7229 #569E29

monochromatic

#15103D #261C6D #37299E #4A39CC #7769D8

Accessibility & contrast

On white

10.64

#37299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#37299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37299E

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37299E	#FFFFFF	#000000	##FFFFFF
##37299E	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #37299e;
/* rgb */ color: rgb(55, 41, 158);
/* oklch */ color: oklch(38.3% 0.179 279.2);

Tailwind

colors: {
  custom: {
    50: '#7c65bc',
    500: '#37299e',
    950: '#000000',
  },
}

SCSS

$custom: #37299e;
$custom-light: #7c65bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37299e",
  "rgb": {
    "r": 55,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 247.179,
    "s": 58.794,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38304,
    "c": 0.17864,
    "h": 279.2
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#37299E

secondary

#B4BF64

accent

#E246CF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #37299E

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

Preview Lab → · Contrast checker → · Palette generator →