#311E7D#311E7D

#311E7D is a dark, vivid violet. Relative luminance 0.031; OKLCH L 32.9% C 0.150 H 283.6°. Best body text is #FFFFFF at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#311E7D
RGB	rgb(49, 30, 125)
HSL	hsl(252, 61%, 30%)
HSV	hsv(252, 76%, 49%)
CMYK	cmyk(60.8%, 76%, 0%, 51%)
CIE-LAB	lab(20.29, 36.17, -50.55)
CIE-LCH	lch(20.29, 62.16, 305.58°)
OKLab	oklab(32.88% 0.0353 -0.1456)
OKLCH	oklch(32.88% 0.15 283.6)
XYZ	xyz(5.4314, 3.0618, 19.7028)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E7D #6A7D1E

analogous

#1E3A7D #311E7D #601E7D

triadic

#311E7D #7D311E #1E7D31

tetradic

#311E7D #7D1E3A #6A7D1E #1E7D60

square

#311E7D #7D1E3A #6A7D1E #1E7D60

split-complementary

#311E7D #7D601E #3A7D1E

monochromatic

#0A061A #1E124C #311E7D #442AAE #6043D2

Accessibility & contrast

On white

13.02

#311E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#311E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E7D

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E7D	#FFFFFF	#000000	##FFFFFF
##311E7D	1.00	13.02	1.61	13.02
#FFFFFF	13.02	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#03384C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #311e7d;
/* rgb */ color: rgb(49, 30, 125);
/* oklch */ color: oklch(32.9% 0.150 283.6);

Tailwind

colors: {
  custom: {
    50: '#735ca4',
    500: '#311e7d',
    950: '#000000',
  },
}

SCSS

$custom: #311e7d;
$custom-light: #735ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#311e7d",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 125
  },
  "hsl": {
    "h": 252,
    "s": 61.29,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32876,
    "c": 0.14987,
    "h": 283.6
  },
  "luminance": 0.03062
}

Semantic roles & 50–950 ramp

primary

#311E7D

secondary

#9BB046

accent

#E443C4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311E7D

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

Preview Lab → · Contrast checker → · Palette generator →