#31299D#31299D

#31299D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.8% C 0.179 H 276.6°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#31299D
RGB	rgb(49, 41, 157)
HSL	hsl(244, 59%, 39%)
HSV	hsv(244, 74%, 62%)
CMYK	cmyk(68.8%, 73.9%, 0%, 38.4%)
CIE-LAB	lab(25.78, 40.34, -61.44)
CIE-LCH	lch(25.78, 73.50, 303.29°)
OKLab	oklab(37.75% 0.0205 -0.1775)
OKLCH	oklch(37.75% 0.179 276.6)
XYZ	xyz(8.1434, 4.6724, 32.3645)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31299D #959D29

analogous

#295B9D #31299D #6B299D

triadic

#31299D #9D3129 #299D31

tetradic

#31299D #9D295B #959D29 #299D6B

square

#31299D #9D295B #959D29 #299D6B

split-complementary

#31299D #9D6B29 #5B9D29

monochromatic

#13103C #221C6C #31299D #4238CB #7069D8

Accessibility & contrast

On white

10.85

#31299D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#31299D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31299D

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31299D	#FFFFFF	#000000	##FFFFFF
##31299D	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31299d;
/* rgb */ color: rgb(49, 41, 157);
/* oklch */ color: oklch(37.8% 0.179 276.6);

Tailwind

colors: {
  custom: {
    50: '#7964bb',
    500: '#31299d',
    950: '#000000',
  },
}

SCSS

$custom: #31299d;
$custom-light: #7964bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31299d",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 157
  },
  "hsl": {
    "h": 244.138,
    "s": 58.586,
    "l": 38.824
  },
  "oklch": {
    "l": 0.3775,
    "c": 0.1787,
    "h": 276.6
  },
  "luminance": 0.04673
}

Semantic roles & 50–950 ramp

primary

#31299D

secondary

#B8BE64

accent

#E246D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #31299D

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

Preview Lab → · Contrast checker → · Palette generator →