#312BCE#312BCE

#312BCE is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.3% C 0.235 H 272.2°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#312BCE
RGB	rgb(49, 43, 206)
HSL	hsl(242, 65%, 49%)
HSV	hsv(242, 79%, 81%)
CMYK	cmyk(76.2%, 79.1%, 0%, 19.2%)
CIE-LAB	lab(31.43, 54.93, -81.28)
CIE-LCH	lch(31.43, 98.10, 304.05°)
OKLab	oklab(43.28% 0.0092 -0.2352)
OKLCH	oklch(43.28% 0.235 272.2)
XYZ	xyz(13.2673, 6.8355, 59.0007)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BCE #C8CE2B

analogous

#2B77CE #312BCE #832BCE

triadic

#312BCE #CE312B #2BCE31

tetradic

#312BCE #CE2B77 #C8CE2B #2BCE83

square

#312BCE #CE2B77 #C8CE2B #2BCE83

split-complementary

#312BCE #CE832B #77CE2B

monochromatic

#191669 #25209B #312BCE #5F5ADC #908CE7

Accessibility & contrast

On white

8.87

#312BCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#312BCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BCE

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BCE	#FFFFFF	#000000	##FFFFFF
##312BCE	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052D3

Deuteranopia (green-blind)

#0042CB

Tritanopia (blue-blind)

#005E7D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #312bce;
/* rgb */ color: rgb(49, 43, 206);
/* oklch */ color: oklch(43.3% 0.235 272.2);

Tailwind

colors: {
  custom: {
    50: '#8468de',
    500: '#312bce',
    950: '#000000',
  },
}

SCSS

$custom: #312bce;
$custom-light: #8468de;
$custom-dark: #000000;

JSON

{
  "hex": "#312bce",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 206
  },
  "hsl": {
    "h": 242.209,
    "s": 65.462,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.2354,
    "h": 272.2
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary

#312BCE

secondary

#CED184

accent

#E83FE2

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #312BCE

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

Preview Lab → · Contrast checker → · Palette generator →