#312FBC#312FBC

#312FBC is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.211 H 273.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#312FBC
RGB	rgb(49, 47, 188)
HSL	hsl(241, 60%, 46%)
HSV	hsv(241, 75%, 74%)
CMYK	cmyk(73.9%, 75%, 0%, 26.3%)
CIE-LAB	lab(30.20, 47.15, -72.77)
CIE-LCH	lch(30.20, 86.71, 302.94°)
OKLab	oklab(41.84% 0.0114 -0.2105)
OKLCH	oklch(41.84% 0.211 273.1)
XYZ	xyz(11.3572, 6.3157, 48.1877)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FBC #BABC2F

analogous

#2F73BC #312FBC #772FBC

triadic

#312FBC #BC312F #2FBC31

tetradic

#312FBC #BC2F73 #BABC2F #2FBC77

square

#312FBC #BC2F73 #BABC2F #2FBC77

split-complementary

#312FBC #BC772F #73BC2F

monochromatic

#17175A #24238B #312FBC #5654D4 #8685E0

Accessibility & contrast

On white

9.28

#312FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#312FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FBC

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FBC	#FFFFFF	#000000	##FFFFFF
##312FBC	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#0040BA

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #312fbc;
/* rgb */ color: rgb(49, 47, 188);
/* oklch */ color: oklch(41.8% 0.211 273.1);

Tailwind

colors: {
  custom: {
    50: '#7f6ad2',
    500: '#312fbc',
    950: '#000000',
  },
}

SCSS

$custom: #312fbc;
$custom-light: #7f6ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#312fbc",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 188
  },
  "hsl": {
    "h": 240.851,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4184,
    "c": 0.21086,
    "h": 273.1
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary

#312FBC

secondary

#C9CA7D

accent

#E345E1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312FBC

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

Preview Lab → · Contrast checker → · Palette generator →