#31208F#31208F

#31208F is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.0% C 0.170 H 279.9°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#31208F
RGB	rgb(49, 32, 143)
HSL	hsl(249, 63%, 34%)
HSV	hsv(249, 78%, 56%)
CMYK	cmyk(65.7%, 77.6%, 0%, 43.9%)
CIE-LAB	lab(22.54, 40.81, -58.15)
CIE-LCH	lch(22.54, 71.05, 305.06°)
OKLab	oklab(35.03% 0.0293 -0.1679)
OKLCH	oklch(35.03% 0.17 279.9)
XYZ	xyz(6.7395, 3.6686, 26.3342)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31208F #7E8F20

analogous

#20478F #31208F #69208F

triadic

#31208F #8F3120 #208F31

tetradic

#31208F #8F2047 #7E8F20 #208F69

square

#31208F #8F2047 #7E8F20 #208F69

split-complementary

#31208F #8F6920 #478F20

monochromatic

#0F0A2B #20155D #31208F #422BC1 #6651D8

Accessibility & contrast

On white

12.11

#31208F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#31208F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31208F

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31208F	#FFFFFF	#000000	##FFFFFF
##31208F	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31208f;
/* rgb */ color: rgb(49, 32, 143);
/* oklch */ color: oklch(35.0% 0.170 279.9);

Tailwind

colors: {
  custom: {
    50: '#775eb1',
    500: '#31208f',
    950: '#000000',
  },
}

SCSS

$custom: #31208f;
$custom-light: #775eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#31208f",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 143
  },
  "hsl": {
    "h": 249.189,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35027,
    "c": 0.1704,
    "h": 279.9
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#31208F

secondary

#ABBB4F

accent

#E641CD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #31208F

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

Preview Lab → · Contrast checker → · Palette generator →