#311E94#311E94

#311E94 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.178 H 279.4°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#311E94
RGB	rgb(49, 30, 148)
HSL	hsl(250, 66%, 35%)
HSV	hsv(250, 80%, 58%)
CMYK	cmyk(66.9%, 79.7%, 0%, 42%)
CIE-LAB	lab(22.72, 43.43, -60.96)
CIE-LCH	lch(22.72, 74.85, 305.46°)
OKLab	oklab(35.31% 0.0291 -0.176)
OKLCH	oklch(35.31% 0.178 279.4)
XYZ	xyz(7.0745, 3.7191, 28.3563)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E94 #81941E

analogous

#1E4694 #311E94 #6C1E94

triadic

#311E94 #94311E #1E9431

tetradic

#311E94 #941E46 #81941E #1E946C

square

#311E94 #941E46 #81941E #1E946C

split-complementary

#311E94 #946C1E #46941E

monochromatic

#0F092E #201461 #311E94 #4228C7 #6751DC

Accessibility & contrast

On white

12.04

#311E94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#311E94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E94

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E94	#FFFFFF	#000000	##FFFFFF
##311E94	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B97

Deuteranopia (green-blind)

#003292

Tritanopia (blue-blind)

#004159

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311e94;
/* rgb */ color: rgb(49, 30, 148);
/* oklch */ color: oklch(35.3% 0.178 279.4);

Tailwind

colors: {
  custom: {
    50: '#785db5',
    500: '#311e94',
    950: '#000000',
  },
}

SCSS

$custom: #311e94;
$custom-light: #785db5;
$custom-dark: #000000;

JSON

{
  "hex": "#311e94",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 148
  },
  "hsl": {
    "h": 249.661,
    "s": 66.292,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3531,
    "c": 0.17843,
    "h": 279.4
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#311E94

secondary

#ADBF4F

accent

#E93FCE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311E94

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

Preview Lab → · Contrast checker → · Palette generator →