#31277D#31277D

#31277D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.3% C 0.139 H 281.4°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#31277D
RGB	rgb(49, 39, 125)
HSL	hsl(247, 52%, 32%)
HSV	hsv(247, 69%, 49%)
CMYK	cmyk(60.8%, 68.8%, 0%, 51%)
CIE-LAB	lab(22.25, 30.77, -47.35)
CIE-LCH	lch(22.25, 56.47, 303.02°)
OKLab	oklab(34.28% 0.0275 -0.1363)
OKLCH	oklch(34.28% 0.139 281.4)
XYZ	xyz(5.6927, 3.5843, 19.7899)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31277D #737D27

analogous

#27487D #31277D #5C277D

triadic

#31277D #7D3127 #277D31

tetradic

#31277D #7D2748 #737D27 #277D5C

square

#31277D #7D2748 #737D27 #277D5C

split-complementary

#31277D #7D5C27 #487D27

monochromatic

#0C0A20 #1F184E #31277D #4336AC #6255CA

Accessibility & contrast

On white

12.23

#31277D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#31277D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31277D

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31277D	#FFFFFF	#000000	##FFFFFF
##31277D	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00327B

Tritanopia (blue-blind)

#013D4E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31277d;
/* rgb */ color: rgb(49, 39, 125);
/* oklch */ color: oklch(34.3% 0.139 281.4);

Tailwind

colors: {
  custom: {
    50: '#7262a3',
    500: '#31277d',
    950: '#000000',
  },
}

SCSS

$custom: #31277d;
$custom-light: #7262a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31277d",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 125
  },
  "hsl": {
    "h": 246.977,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34275,
    "c": 0.13903,
    "h": 281.4
  },
  "luminance": 0.03585
}

Semantic roles & 50–950 ramp

primary

#31277D

secondary

#A4AF51

accent

#DC4CCB

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31277D

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

Preview Lab → · Contrast checker → · Palette generator →