#312D92#312D92

#312D92 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.160 H 277.0°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#312D92
RGB	rgb(49, 45, 146)
HSL	hsl(242, 53%, 37%)
HSV	hsv(242, 69%, 57%)
CMYK	cmyk(66.4%, 69.2%, 0%, 42.7%)
CIE-LAB	lab(25.58, 34.21, -55.02)
CIE-LCH	lch(25.58, 64.79, 301.87°)
OKLab	oklab(37.28% 0.0196 -0.1588)
OKLCH	oklch(37.28% 0.16 277)
XYZ	xyz(7.3916, 4.6044, 27.6878)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312D92 #8E922D

analogous

#2D5C92 #312D92 #632D92

triadic

#312D92 #92312D #2D9231

tetradic

#312D92 #922D5C #8E922D #2D9263

square

#312D92 #922D5C #8E922D #2D9263

split-complementary

#312D92 #92632D #5C922D

monochromatic

#121034 #211F63 #312D92 #413BC1 #6D69D1

Accessibility & contrast

On white

10.93

#312D92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#312D92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312D92

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312D92	#FFFFFF	#000000	##FFFFFF
##312D92	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004195

Deuteranopia (green-blind)

#003890

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312d92;
/* rgb */ color: rgb(49, 45, 146);
/* oklch */ color: oklch(37.3% 0.160 277.0);

Tailwind

colors: {
  custom: {
    50: '#7667b3',
    500: '#312d92',
    950: '#000000',
  },
}

SCSS

$custom: #312d92;
$custom-light: #7667b3;
$custom-dark: #000000;

JSON

{
  "hex": "#312d92",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 146
  },
  "hsl": {
    "h": 242.376,
    "s": 52.88,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37278,
    "c": 0.15998,
    "h": 277
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary

#312D92

secondary

#B4B763

accent

#DC4CD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312D92

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

Preview Lab → · Contrast checker → · Palette generator →