#312E87#312E87

#312E87 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.144 H 278.0°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#312E87
RGB	rgb(49, 46, 135)
HSL	hsl(242, 49%, 35%)
HSV	hsv(242, 66%, 53%)
CMYK	cmyk(63.7%, 65.9%, 0%, 47.1%)
CIE-LAB	lab(24.81, 29.75, -49.44)
CIE-LCH	lch(24.81, 57.70, 301.03°)
OKLab	oklab(36.42% 0.02 -0.1424)
OKLCH	oklch(36.42% 0.144 278)
XYZ	xyz(6.6154, 4.3557, 23.4091)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E87 #84872E

analogous

#2E5887 #312E87 #5D2E87

triadic

#312E87 #87312E #2E8731

tetradic

#312E87 #872E58 #84872E #2E875D

square

#312E87 #872E58 #84872E #2E875D

split-complementary

#312E87 #875D2E #58872E

monochromatic

#100F2C #201E59 #312E87 #423EB5 #6865CA

Accessibility & contrast

On white

11.22

#312E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#312E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E87

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E87	#FFFFFF	#000000	##FFFFFF
##312E87	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8A

Deuteranopia (green-blind)

#003785

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312e87;
/* rgb */ color: rgb(49, 46, 135);
/* oklch */ color: oklch(36.4% 0.144 278.0);

Tailwind

colors: {
  custom: {
    50: '#7467ab',
    500: '#312e87',
    950: '#000000',
  },
}

SCSS

$custom: #312e87;
$custom-light: #7467ab;
$custom-dark: #000000;

JSON

{
  "hex": "#312e87",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 135
  },
  "hsl": {
    "h": 242.022,
    "s": 49.171,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36417,
    "c": 0.14381,
    "h": 278
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#312E87

secondary

#AEB160

accent

#D94FD4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #312E87

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

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