#312C97#312C97

#312C97 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.168 H 276.7°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#312C97
RGB	rgb(49, 44, 151)
HSL	hsl(243, 55%, 38%)
HSV	hsv(243, 71%, 59%)
CMYK	cmyk(67.5%, 70.9%, 0%, 40.8%)
CIE-LAB	lab(25.83, 36.54, -57.69)
CIE-LCH	lch(25.83, 68.29, 302.35°)
OKLab	oklab(37.6% 0.0196 -0.1666)
OKLCH	oklch(37.6% 0.168 276.7)
XYZ	xyz(7.7514, 4.6880, 29.7685)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312C97 #92972C

analogous

#2C5C97 #312C97 #662C97

triadic

#312C97 #97312C #2C9731

tetradic

#312C97 #972C5C #92972C #2C9766

square

#312C97 #972C5C #92972C #2C9766

split-complementary

#312C97 #97662C #5C972C

monochromatic

#121038 #221E68 #312C97 #413AC6 #6F6AD4

Accessibility & contrast

On white

10.84

#312C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#312C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312C97

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312C97	#FFFFFF	#000000	##FFFFFF
##312C97	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003895

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312c97;
/* rgb */ color: rgb(49, 44, 151);
/* oklch */ color: oklch(37.6% 0.168 276.7);

Tailwind

colors: {
  custom: {
    50: '#7766b7',
    500: '#312c97',
    950: '#000000',
  },
}

SCSS

$custom: #312c97;
$custom-light: #7766b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312c97",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 151
  },
  "hsl": {
    "h": 242.804,
    "s": 54.872,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37603,
    "c": 0.16773,
    "h": 276.7
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#312C97

secondary

#B6BA65

accent

#DE4AD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312C97

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

Preview Lab → · Contrast checker → · Palette generator →