#312E89#312E89

#312E89 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.6% C 0.147 H 277.8°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#312E89
RGB	rgb(49, 46, 137)
HSL	hsl(242, 50%, 36%)
HSV	hsv(242, 66%, 54%)
CMYK	cmyk(64.2%, 66.4%, 0%, 46.3%)
CIE-LAB	lab(24.99, 30.45, -50.40)
CIE-LCH	lch(24.99, 58.89, 301.14°)
OKLab	oklab(36.6% 0.0198 -0.1452)
OKLCH	oklch(36.6% 0.147 277.8)
XYZ	xyz(6.7575, 4.4126, 24.1577)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E89 #86892E

analogous

#2E5889 #312E89 #5E2E89

triadic

#312E89 #89312E #2E8931

tetradic

#312E89 #892E58 #86892E #2E895E

square

#312E89 #892E58 #86892E #2E895E

split-complementary

#312E89 #895E2E #58892E

monochromatic

#100F2D #211F5B #312E89 #413DB7 #6966CC

Accessibility & contrast

On white

11.15

#312E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#312E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E89

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E89	#FFFFFF	#000000	##FFFFFF
##312E89	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003787

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312e89;
/* rgb */ color: rgb(49, 46, 137);
/* oklch */ color: oklch(36.6% 0.147 277.8);

Tailwind

colors: {
  custom: {
    50: '#7467ac',
    500: '#312e89',
    950: '#000000',
  },
}

SCSS

$custom: #312e89;
$custom-light: #7467ac;
$custom-dark: #000000;

JSON

{
  "hex": "#312e89",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 137
  },
  "hsl": {
    "h": 241.978,
    "s": 49.727,
    "l": 35.882
  },
  "oklch": {
    "l": 0.366,
    "c": 0.14658,
    "h": 277.8
  },
  "luminance": 0.04413
}

Semantic roles & 50–950 ramp

primary

#312E89

secondary

#B0B260

accent

#D94FD5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #312E89

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

Preview Lab → · Contrast checker → · Palette generator →