#312BC8#312BC8

#312BC8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.6% C 0.229 H 272.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#312BC8
RGB	rgb(49, 43, 200)
HSL	hsl(242, 65%, 48%)
HSV	hsv(242, 79%, 78%)
CMYK	cmyk(75.5%, 78.5%, 0%, 21.6%)
CIE-LAB	lab(30.76, 53.08, -78.89)
CIE-LCH	lch(30.76, 95.08, 303.93°)
OKLab	oklab(42.62% 0.0105 -0.2283)
OKLCH	oklch(42.62% 0.229 272.6)
XYZ	xyz(12.5523, 6.5495, 55.2350)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BC8 #C2C82B

analogous

#2B73C8 #312BC8 #7F2BC8

triadic

#312BC8 #C8312B #2BC831

tetradic

#312BC8 #C82B73 #C2C82B #2BC87F

square

#312BC8 #C82B73 #C2C82B #2BC87F

split-complementary

#312BC8 #C87F2B #73C82B

monochromatic

#181563 #252096 #312BC8 #5B56DB #8C88E5

Accessibility & contrast

On white

9.09

#312BC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#312BC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BC8

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BC8	#FFFFFF	#000000	##FFFFFF
##312BC8	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050CC

Deuteranopia (green-blind)

#0041C5

Tritanopia (blue-blind)

#005B79

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #312bc8;
/* rgb */ color: rgb(49, 43, 200);
/* oklch */ color: oklch(42.6% 0.229 272.6);

Tailwind

colors: {
  custom: {
    50: '#8268da',
    500: '#312bc8',
    950: '#000000',
  },
}

SCSS

$custom: #312bc8;
$custom-light: #8268da;
$custom-dark: #000000;

JSON

{
  "hex": "#312bc8",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 200
  },
  "hsl": {
    "h": 242.293,
    "s": 64.609,
    "l": 47.647
  },
  "oklch": {
    "l": 0.42618,
    "c": 0.22854,
    "h": 272.6
  },
  "luminance": 0.06551
}

Semantic roles & 50–950 ramp

primary

#312BC8

secondary

#CCCF80

accent

#E840E1

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #312BC8

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

Preview Lab → · Contrast checker → · Palette generator →