#37299C#37299C

#37299C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.176 H 279.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#37299C
RGB	rgb(55, 41, 156)
HSL	hsl(247, 58%, 39%)
HSV	hsv(247, 74%, 61%)
CMYK	cmyk(64.7%, 73.7%, 0%, 38.8%)
CIE-LAB	lab(26.15, 40.74, -60.20)
CIE-LCH	lch(26.15, 72.69, 304.09°)
OKLab	oklab(38.1% 0.029 -0.1737)
OKLCH	oklch(38.1% 0.176 279.5)
XYZ	xyz(8.3673, 4.7977, 31.9312)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37299C #8E9C29

analogous

#29549C #37299C #70299C

triadic

#37299C #9C3729 #299C37

tetradic

#37299C #9C2954 #8E9C29 #299C70

square

#37299C #9C2954 #8E9C29 #299C70

split-complementary

#37299C #9C7029 #549C29

monochromatic

#15103B #261C6C #37299C #4938CB #7668D7

Accessibility & contrast

On white

10.72

#37299C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#37299C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37299C

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37299C	#FFFFFF	#000000	##FFFFFF
##37299C	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00399A

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #37299c;
/* rgb */ color: rgb(55, 41, 156);
/* oklch */ color: oklch(38.1% 0.176 279.5);

Tailwind

colors: {
  custom: {
    50: '#7b65ba',
    500: '#37299c',
    950: '#000000',
  },
}

SCSS

$custom: #37299c;
$custom-light: #7b65ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37299c",
  "rgb": {
    "r": 55,
    "g": 41,
    "b": 156
  },
  "hsl": {
    "h": 247.304,
    "s": 58.376,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38103,
    "c": 0.17614,
    "h": 279.5
  },
  "luminance": 0.04798
}

Semantic roles & 50–950 ramp

primary

#37299C

secondary

#B3BE63

accent

#E246CF

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #37299C

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

Preview Lab → · Contrast checker → · Palette generator →