#31249C#31249C

#31249C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.9% C 0.183 H 277.5°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#31249C
RGB	rgb(49, 36, 156)
HSL	hsl(247, 63%, 38%)
HSV	hsv(247, 77%, 61%)
CMYK	cmyk(68.6%, 76.9%, 0%, 38.8%)
CIE-LAB	lab(24.68, 42.81, -62.64)
CIE-LCH	lch(24.68, 75.87, 304.35°)
OKLab	oklab(36.94% 0.0237 -0.181)
OKLCH	oklch(36.94% 0.183 277.5)
XYZ	xyz(7.8963, 4.3143, 31.8627)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31249C #8F9C24

analogous

#24539C #31249C #6D249C

triadic

#31249C #9C3124 #249C31

tetradic

#31249C #9C2453 #8F9C24 #249C6D

square

#31249C #9C2453 #8F9C24 #249C6D

split-complementary

#31249C #9C6D24 #539C24

monochromatic

#120D39 #21196A #31249C #412FCE #6D60DA

Accessibility & contrast

On white

11.27

#31249C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#31249C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31249C

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31249C	#FFFFFF	#000000	##FFFFFF
##31249C	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31249c;
/* rgb */ color: rgb(49, 36, 156);
/* oklch */ color: oklch(36.9% 0.183 277.5);

Tailwind

colors: {
  custom: {
    50: '#7961ba',
    500: '#31249c',
    950: '#000000',
  },
}

SCSS

$custom: #31249c;
$custom-light: #7961ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31249c",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 156
  },
  "hsl": {
    "h": 246.5,
    "s": 62.5,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36944,
    "c": 0.18251,
    "h": 277.5
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#31249C

secondary

#B5BF5C

accent

#E642D4

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31249C

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

Preview Lab → · Contrast checker → · Palette generator →