#312CA6#312CA6

#312CA6 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.1% C 0.187 H 275.2°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#312CA6
RGB	rgb(49, 44, 166)
HSL	hsl(242, 58%, 41%)
HSV	hsv(242, 73%, 65%)
CMYK	cmyk(70.5%, 73.5%, 0%, 34.9%)
CIE-LAB	lab(27.32, 41.60, -64.37)
CIE-LCH	lch(27.32, 76.64, 302.87°)
OKLab	oklab(39.12% 0.017 -0.1861)
OKLCH	oklch(39.12% 0.187 275.2)
XYZ	xyz(9.0480, 5.2067, 36.5972)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CA6 #A1A62C

analogous

#2C64A6 #312CA6 #6E2CA6

triadic

#312CA6 #A6312C #2CA631

tetradic

#312CA6 #A62C64 #A1A62C #2CA66E

square

#312CA6 #A62C64 #A1A62C #2CA66E

split-complementary

#312CA6 #A66E2C #64A62C

monochromatic

#141245 #231F76 #312CA6 #4842CD #7773DA

Accessibility & contrast

On white

10.29

#312CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#312CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CA6

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CA6	#FFFFFF	#000000	##FFFFFF
##312CA6	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AA

Deuteranopia (green-blind)

#003BA4

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312ca6;
/* rgb */ color: rgb(49, 44, 166);
/* oklch */ color: oklch(39.1% 0.187 275.2);

Tailwind

colors: {
  custom: {
    50: '#7b67c2',
    500: '#312ca6',
    950: '#000000',
  },
}

SCSS

$custom: #312ca6;
$custom-light: #7b67c2;
$custom-dark: #000000;

JSON

{
  "hex": "#312ca6",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 166
  },
  "hsl": {
    "h": 242.459,
    "s": 58.095,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39117,
    "c": 0.18688,
    "h": 275.2
  },
  "luminance": 0.05208
}

Semantic roles & 50–950 ramp

primary

#312CA6

secondary

#BEC16D

accent

#E146DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #312CA6

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

Preview Lab → · Contrast checker → · Palette generator →