#312F92#312F92

#312F92 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.6% C 0.158 H 276.6°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#312F92
RGB	rgb(49, 47, 146)
HSL	hsl(241, 51%, 38%)
HSV	hsv(241, 68%, 57%)
CMYK	cmyk(66.4%, 67.8%, 0%, 42.7%)
CIE-LAB	lab(26.04, 32.96, -54.26)
CIE-LCH	lch(26.04, 63.49, 301.27°)
OKLab	oklab(37.61% 0.018 -0.1565)
OKLCH	oklch(37.61% 0.158 276.6)
XYZ	xyz(7.4698, 4.7607, 27.7138)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F92 #90922F

analogous

#2F5E92 #312F92 #622F92

triadic

#312F92 #92312F #2F9231

tetradic

#312F92 #922F5E #90922F #2F9262

square

#312F92 #922F5E #90922F #2F9262

split-complementary

#312F92 #92622F #5E922F

monochromatic

#121135 #212064 #312F92 #413EC0 #6E6CD0

Accessibility & contrast

On white

10.76

#312F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#312F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F92

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F92	#FFFFFF	#000000	##FFFFFF
##312F92	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004295

Deuteranopia (green-blind)

#003990

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312f92;
/* rgb */ color: rgb(49, 47, 146);
/* oklch */ color: oklch(37.6% 0.158 276.6);

Tailwind

colors: {
  custom: {
    50: '#7668b3',
    500: '#312f92',
    950: '#000000',
  },
}

SCSS

$custom: #312f92;
$custom-light: #7668b3;
$custom-dark: #000000;

JSON

{
  "hex": "#312f92",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 146
  },
  "hsl": {
    "h": 241.212,
    "s": 51.295,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37614,
    "c": 0.15757,
    "h": 276.6
  },
  "luminance": 0.04761
}

Semantic roles & 50–950 ramp

primary

#312F92

secondary

#B5B766

accent

#DB4DD8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #312F92

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

Preview Lab → · Contrast checker → · Palette generator →