#311774#311774

#311774 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 31.0% C 0.146 H 287.2°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#311774
RGB	rgb(49, 23, 116)
HSL	hsl(257, 67%, 27%)
HSV	hsv(257, 80%, 45%)
CMYK	cmyk(57.8%, 80.2%, 0%, 54.5%)
CIE-LAB	lab(18.04, 37.13, -48.50)
CIE-LCH	lch(18.04, 61.07, 307.44°)
OKLab	oklab(31.01% 0.0433 -0.1396)
OKLCH	oklch(31.01% 0.146 287.2)
XYZ	xyz(4.7245, 2.5265, 16.7583)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311774 #5A7417

analogous

#172C74 #311774 #5F1774

triadic

#311774 #743117 #177431

tetradic

#311774 #74172C #5A7417 #17745F

square

#311774 #74172C #5A7417 #17745F

split-complementary

#311774 #745F17 #2C7417

monochromatic

#0B051A #1B0D41 #311774 #4721A7 #5E30D6

Accessibility & contrast

On white

13.95

#311774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#311774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311774

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311774	#FFFFFF	#000000	##FFFFFF
##311774	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E77

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#133245

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #311774;
/* rgb */ color: rgb(49, 23, 116);
/* oklch */ color: oklch(31.0% 0.146 287.2);

Tailwind

colors: {
  custom: {
    50: '#72589d',
    500: '#311774',
    950: '#000000',
  },
}

SCSS

$custom: #311774;
$custom-light: #72589d;
$custom-dark: #000000;

JSON

{
  "hex": "#311774",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 116
  },
  "hsl": {
    "h": 256.774,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.31012,
    "c": 0.14613,
    "h": 287.2
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#311774

secondary

#8BA93D

accent

#EA3EBA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311774

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

Preview Lab → · Contrast checker → · Palette generator →