#312E8A#312E8A

#312E8A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.148 H 277.7°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#312E8A
RGB	rgb(49, 46, 138)
HSL	hsl(242, 50%, 36%)
HSV	hsv(242, 67%, 54%)
CMYK	cmyk(64.5%, 66.7%, 0%, 45.9%)
CIE-LAB	lab(25.08, 30.80, -50.88)
CIE-LCH	lch(25.08, 59.48, 301.19°)
OKLab	oklab(36.69% 0.0197 -0.1466)
OKLCH	oklch(36.69% 0.148 277.7)
XYZ	xyz(6.8296, 4.4414, 24.5372)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E8A #878A2E

analogous

#2E598A #312E8A #5F2E8A

triadic

#312E8A #8A312E #2E8A31

tetradic

#312E8A #8A2E59 #878A2E #2E8A5F

square

#312E8A #8A2E59 #878A2E #2E8A5F

split-complementary

#312E8A #8A5F2E #598A2E

monochromatic

#100F2E #211F5C #312E8A #413DB8 #6A66CC

Accessibility & contrast

On white

11.12

#312E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#312E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E8A

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E8A	#FFFFFF	#000000	##FFFFFF
##312E8A	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312e8a;
/* rgb */ color: rgb(49, 46, 138);
/* oklch */ color: oklch(36.7% 0.148 277.7);

Tailwind

colors: {
  custom: {
    50: '#7467ad',
    500: '#312e8a',
    950: '#000000',
  },
}

SCSS

$custom: #312e8a;
$custom-light: #7467ad;
$custom-dark: #000000;

JSON

{
  "hex": "#312e8a",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 138
  },
  "hsl": {
    "h": 241.957,
    "s": 50,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36693,
    "c": 0.14795,
    "h": 277.7
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#312E8A

secondary

#B0B361

accent

#DA4ED5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #312E8A

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

Preview Lab → · Contrast checker → · Palette generator →