#311E95#311E95

#311E95 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.180 H 279.2°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#311E95
RGB	rgb(49, 30, 149)
HSL	hsl(250, 66%, 35%)
HSV	hsv(250, 80%, 58%)
CMYK	cmyk(67.1%, 79.9%, 0%, 41.6%)
CIE-LAB	lab(22.83, 43.74, -61.40)
CIE-LCH	lch(22.83, 75.38, 305.46°)
OKLab	oklab(35.42% 0.0289 -0.1773)
OKLCH	oklch(35.42% 0.18 279.2)
XYZ	xyz(7.1540, 3.7509, 28.7749)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E95 #82951E

analogous

#1E4695 #311E95 #6D1E95

triadic

#311E95 #95311E #1E9531

tetradic

#311E95 #951E46 #82951E #1E956D

square

#311E95 #951E46 #82951E #1E956D

split-complementary

#311E95 #956D1E #46951E

monochromatic

#0F092F #201462 #311E95 #4228C8 #6851DC

Accessibility & contrast

On white

12.00

#311E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#311E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E95

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E95	#FFFFFF	#000000	##FFFFFF
##311E95	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B98

Deuteranopia (green-blind)

#003293

Tritanopia (blue-blind)

#004259

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #311e95;
/* rgb */ color: rgb(49, 30, 149);
/* oklch */ color: oklch(35.4% 0.180 279.2);

Tailwind

colors: {
  custom: {
    50: '#785db5',
    500: '#311e95',
    950: '#000000',
  },
}

SCSS

$custom: #311e95;
$custom-light: #785db5;
$custom-dark: #000000;

JSON

{
  "hex": "#311e95",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 149
  },
  "hsl": {
    "h": 249.58,
    "s": 66.48,
    "l": 35.098
  },
  "oklch": {
    "l": 0.3542,
    "c": 0.17962,
    "h": 279.2
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#311E95

secondary

#ADBF50

accent

#E93ECE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311E95

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

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