#31299C#31299C

#31299C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.177 H 276.7°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#31299C
RGB	rgb(49, 41, 156)
HSL	hsl(244, 58%, 39%)
HSV	hsv(244, 74%, 61%)
CMYK	cmyk(68.6%, 73.7%, 0%, 38.8%)
CIE-LAB	lab(25.68, 40.01, -61.00)
CIE-LCH	lch(25.68, 72.95, 303.26°)
OKLab	oklab(37.65% 0.0207 -0.1762)
OKLCH	oklch(37.65% 0.177 276.7)
XYZ	xyz(8.0584, 4.6384, 31.9167)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31299C #949C29

analogous

#295A9C #31299C #6A299C

triadic

#31299C #9C3129 #299C31

tetradic

#31299C #9C295A #949C29 #299C6A

square

#31299C #9C295A #949C29 #299C6A

split-complementary

#31299C #9C6A29 #5A9C29

monochromatic

#13103B #221C6C #31299C #4238CB #7068D7

Accessibility & contrast

On white

10.89

#31299C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#31299C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31299C

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31299C	#FFFFFF	#000000	##FFFFFF
##31299C	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #31299c;
/* rgb */ color: rgb(49, 41, 156);
/* oklch */ color: oklch(37.6% 0.177 276.7);

Tailwind

colors: {
  custom: {
    50: '#7964ba',
    500: '#31299c',
    950: '#000000',
  },
}

SCSS

$custom: #31299c;
$custom-light: #7964ba;
$custom-dark: #000000;

JSON

{
  "hex": "#31299c",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 156
  },
  "hsl": {
    "h": 244.174,
    "s": 58.376,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37647,
    "c": 0.17743,
    "h": 276.7
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary

#31299C

secondary

#B7BE63

accent

#E246D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #31299C

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

Preview Lab → · Contrast checker → · Palette generator →