#31249B#31249B

#31249B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.181 H 277.6°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#31249B
RGB	rgb(49, 36, 155)
HSL	hsl(247, 62%, 37%)
HSV	hsv(247, 77%, 61%)
CMYK	cmyk(68.4%, 76.8%, 0%, 39.2%)
CIE-LAB	lab(24.58, 42.49, -62.20)
CIE-LCH	lch(24.58, 75.32, 304.34°)
OKLab	oklab(36.84% 0.0239 -0.1797)
OKLCH	oklch(36.84% 0.181 277.6)
XYZ	xyz(7.8120, 4.2806, 31.4185)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31249B #8E9B24

analogous

#24529B #31249B #6D249B

triadic

#31249B #9B3124 #249B31

tetradic

#31249B #9B2452 #8E9B24 #249B6D

square

#31249B #9B2452 #8E9B24 #249B6D

split-complementary

#31249B #9B6D24 #529B24

monochromatic

#120D38 #211869 #31249B #4130CD #6D5FDA

Accessibility & contrast

On white

11.31

#31249B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#31249B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31249B

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31249B	#FFFFFF	#000000	##FFFFFF
##31249B	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31249b;
/* rgb */ color: rgb(49, 36, 155);
/* oklch */ color: oklch(36.8% 0.181 277.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31249b",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 155
  },
  "hsl": {
    "h": 246.555,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36837,
    "c": 0.18129,
    "h": 277.6
  },
  "luminance": 0.04281
}

Semantic roles & 50–950 ramp

primary

#31249B

secondary

#B4BF5C

accent

#E542D4

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31249B

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

Preview Lab → · Contrast checker → · Palette generator →