#312C8E#312C8E

#312C8E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.156 H 277.7°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#312C8E
RGB	rgb(49, 44, 142)
HSL	hsl(243, 53%, 36%)
HSV	hsv(243, 69%, 56%)
CMYK	cmyk(65.5%, 69%, 0%, 44.3%)
CIE-LAB	lab(24.97, 33.45, -53.54)
CIE-LCH	lch(24.97, 63.13, 302.00°)
OKLab	oklab(36.73% 0.0209 -0.1544)
OKLCH	oklch(36.73% 0.156 277.7)
XYZ	xyz(7.0482, 4.4068, 26.0651)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312C8E #898E2C

analogous

#2C588E #312C8E #622C8E

triadic

#312C8E #8E312C #2C8E31

tetradic

#312C8E #8E2C58 #898E2C #2C8E62

square

#312C8E #8E2C58 #898E2C #2C8E62

split-complementary

#312C8E #8E622C #588E2C

monochromatic

#110F31 #211E5F #312C8E #413ABD #6B65CF

Accessibility & contrast

On white

11.16

#312C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#312C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312C8E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312C8E	#FFFFFF	#000000	##FFFFFF
##312C8E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00378C

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312c8e;
/* rgb */ color: rgb(49, 44, 142);
/* oklch */ color: oklch(36.7% 0.156 277.7);

Tailwind

colors: {
  custom: {
    50: '#7566b0',
    500: '#312c8e',
    950: '#000000',
  },
}

SCSS

$custom: #312c8e;
$custom-light: #7566b0;
$custom-dark: #000000;

JSON

{
  "hex": "#312c8e",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 142
  },
  "hsl": {
    "h": 243.061,
    "s": 52.688,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36727,
    "c": 0.15584,
    "h": 277.7
  },
  "luminance": 0.04407
}

Semantic roles & 50–950 ramp

primary

#312C8E

secondary

#B1B660

accent

#DC4CD5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #312C8E

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

Preview Lab → · Contrast checker → · Palette generator →