#312C95#312C95

#312C95 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.165 H 276.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#312C95
RGB	rgb(49, 44, 149)
HSL	hsl(243, 54%, 38%)
HSV	hsv(243, 70%, 58%)
CMYK	cmyk(67.1%, 70.5%, 0%, 41.6%)
CIE-LAB	lab(25.63, 35.86, -56.78)
CIE-LCH	lch(25.63, 67.15, 302.27°)
OKLab	oklab(37.41% 0.0199 -0.1639)
OKLCH	oklch(37.41% 0.165 276.9)
XYZ	xyz(7.5904, 4.6236, 28.9204)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312C95 #90952C

analogous

#2C5B95 #312C95 #652C95

triadic

#312C95 #95312C #2C9531

tetradic

#312C95 #952C5B #90952C #2C9565

square

#312C95 #952C5B #90952C #2C9565

split-complementary

#312C95 #95652C #5B952C

monochromatic

#121037 #211E66 #312C95 #413AC4 #6E69D3

Accessibility & contrast

On white

10.91

#312C95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#312C95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312C95

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312C95	#FFFFFF	#000000	##FFFFFF
##312C95	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004198

Deuteranopia (green-blind)

#003893

Tritanopia (blue-blind)

#00485D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312c95;
/* rgb */ color: rgb(49, 44, 149);
/* oklch */ color: oklch(37.4% 0.165 276.9);

Tailwind

colors: {
  custom: {
    50: '#7766b5',
    500: '#312c95',
    950: '#000000',
  },
}

SCSS

$custom: #312c95;
$custom-light: #7766b5;
$custom-dark: #000000;

JSON

{
  "hex": "#312c95",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 149
  },
  "hsl": {
    "h": 242.857,
    "s": 54.404,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37406,
    "c": 0.16511,
    "h": 276.9
  },
  "luminance": 0.04624
}

Semantic roles & 50–950 ramp

primary

#312C95

secondary

#B5B964

accent

#DE4AD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312C95

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

Preview Lab → · Contrast checker → · Palette generator →