#311E90#311E90

#311E90 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.174 H 280.0°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#311E90
RGB	rgb(49, 30, 144)
HSL	hsl(250, 66%, 34%)
HSV	hsv(250, 79%, 56%)
CMYK	cmyk(66%, 79.2%, 0%, 43.5%)
CIE-LAB	lab(22.28, 42.18, -59.21)
CIE-LCH	lch(22.28, 72.69, 305.47°)
OKLab	oklab(34.88% 0.0303 -0.1709)
OKLCH	oklch(34.88% 0.174 280)
XYZ	xyz(6.7633, 3.5946, 26.7176)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E90 #7D901E

analogous

#1E4490 #311E90 #6A1E90

triadic

#311E90 #90311E #1E9031

tetradic

#311E90 #901E44 #7D901E #1E906A

square

#311E90 #901E44 #7D901E #1E906A

split-complementary

#311E90 #906A1E #44901E

monochromatic

#0F092B #20135D #311E90 #4229C3 #664EDA

Accessibility & contrast

On white

12.22

#311E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#311E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E90

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E90	#FFFFFF	#000000	##FFFFFF
##311E90	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00318E

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311e90;
/* rgb */ color: rgb(49, 30, 144);
/* oklch */ color: oklch(34.9% 0.174 280.0);

Tailwind

colors: {
  custom: {
    50: '#775db2',
    500: '#311e90',
    950: '#000000',
  },
}

SCSS

$custom: #311e90;
$custom-light: #775db2;
$custom-dark: #000000;

JSON

{
  "hex": "#311e90",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 144
  },
  "hsl": {
    "h": 250,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34876,
    "c": 0.17357,
    "h": 280
  },
  "luminance": 0.03595
}

Semantic roles & 50–950 ramp

primary

#311E90

secondary

#AABD4D

accent

#E83FCC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311E90

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

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