#31249D#31249D

#31249D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.184 H 277.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#31249D
RGB	rgb(49, 36, 157)
HSL	hsl(246, 63%, 38%)
HSV	hsv(246, 77%, 62%)
CMYK	cmyk(68.8%, 77.1%, 0%, 38.4%)
CIE-LAB	lab(24.79, 43.13, -63.07)
CIE-LCH	lch(24.79, 76.41, 304.36°)
OKLab	oklab(37.05% 0.0235 -0.1822)
OKLCH	oklch(37.05% 0.184 277.3)
XYZ	xyz(7.9813, 4.3483, 32.3105)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31249D #909D24

analogous

#24549D #31249D #6D249D

triadic

#31249D #9D3124 #249D31

tetradic

#31249D #9D2454 #909D24 #249D6D

square

#31249D #9D2454 #909D24 #249D6D

split-complementary

#31249D #9D6D24 #549D24

monochromatic

#120D39 #21196B #31249D #412FCF #6E61DB

Accessibility & contrast

On white

11.23

#31249D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#31249D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31249D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31249D	#FFFFFF	#000000	##FFFFFF
##31249D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #31249d;
/* rgb */ color: rgb(49, 36, 157);
/* oklch */ color: oklch(37.1% 0.184 277.3);

Tailwind

colors: {
  custom: {
    50: '#7961bb',
    500: '#31249d',
    950: '#000000',
  },
}

SCSS

$custom: #31249d;
$custom-light: #7961bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31249d",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 157
  },
  "hsl": {
    "h": 246.446,
    "s": 62.694,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37051,
    "c": 0.18374,
    "h": 277.3
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#31249D

secondary

#B5C05D

accent

#E642D4

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31249D

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

Preview Lab → · Contrast checker → · Palette generator →