#311B92#311B92

#311B92 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.7% C 0.179 H 280.1°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#311B92
RGB	rgb(49, 27, 146)
HSL	hsl(251, 69%, 34%)
HSV	hsv(251, 82%, 57%)
CMYK	cmyk(66.4%, 81.5%, 0%, 42.7%)
CIE-LAB	lab(21.99, 44.29, -60.94)
CIE-LCH	lch(21.99, 75.33, 306.01°)
OKLab	oklab(34.73% 0.0314 -0.1759)
OKLCH	oklch(34.73% 0.179 280.1)
XYZ	xyz(6.8452, 3.5116, 27.5056)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B92 #7C921B

analogous

#1B4192 #311B92 #6D1B92

triadic

#311B92 #92311B #1B9231

tetradic

#311B92 #921B41 #7C921B #1B926D

square

#311B92 #921B41 #7C921B #1B926D

split-complementary

#311B92 #926D1B #41921B

monochromatic

#0E082B #20115E #311B92 #4225C6 #654ADE

Accessibility & contrast

On white

12.34

#311B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#311B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B92

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B92	#FFFFFF	#000000	##FFFFFF
##311B92	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003995

Deuteranopia (green-blind)

#003090

Tritanopia (blue-blind)

#003F57

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311b92;
/* rgb */ color: rgb(49, 27, 146);
/* oklch */ color: oklch(34.7% 0.179 280.1);

Tailwind

colors: {
  custom: {
    50: '#785cb3',
    500: '#311b92',
    950: '#000000',
  },
}

SCSS

$custom: #311b92;
$custom-light: #785cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#311b92",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 146
  },
  "hsl": {
    "h": 251.092,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34734,
    "c": 0.17868,
    "h": 280.1
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#311B92

secondary

#AABF49

accent

#EC3CCB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311B92

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

Preview Lab → · Contrast checker → · Palette generator →