#312E66#312E66

#312E66 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.095 H 282.4°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#312E66
RGB	rgb(49, 46, 102)
HSL	hsl(243, 38%, 29%)
HSV	hsv(243, 55%, 40%)
CMYK	cmyk(52%, 54.9%, 0%, 60%)
CIE-LAB	lab(22.18, 18.18, -32.68)
CIE-LCH	lch(22.18, 37.40, 299.09°)
OKLab	oklab(33.64% 0.0205 -0.0931)
OKLCH	oklch(33.64% 0.095 282.4)
XYZ	xyz(4.6412, 3.5660, 13.0116)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E66 #63662E

analogous

#2E4766 #312E66 #4D2E66

triadic

#312E66 #66312E #2E6631

tetradic

#312E66 #662E47 #63662E #2E664D

square

#312E66 #662E47 #63662E #2E664D

split-complementary

#312E66 #664D2E #47662E

monochromatic

#0A0A15 #1D1B3C #312E66 #454190 #5F5AB5

Accessibility & contrast

On white

12.26

#312E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#312E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E66

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E66	#FFFFFF	#000000	##FFFFFF
##312E66	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123768

Deuteranopia (green-blind)

#0E3365

Tritanopia (blue-blind)

#1E3A45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312e66;
/* rgb */ color: rgb(49, 46, 102);
/* oklch */ color: oklch(33.6% 0.095 282.4);

Tailwind

colors: {
  custom: {
    50: '#6d6692',
    500: '#312e66',
    950: '#000000',
  },
}

SCSS

$custom: #312e66;
$custom-light: #6d6692;
$custom-dark: #000000;

JSON

{
  "hex": "#312e66",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 102
  },
  "hsl": {
    "h": 243.214,
    "s": 37.838,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33642,
    "c": 0.09535,
    "h": 282.4
  },
  "luminance": 0.03566
}

Semantic roles & 50–950 ramp

primary

#312E66

secondary

#949858

accent

#CE5AC8

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #312E66

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

Preview Lab → · Contrast checker → · Palette generator →