#31137F#31137F

#31137F is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.8% C 0.163 H 285.0°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#31137F
RGB	rgb(49, 19, 127)
HSL	hsl(257, 74%, 29%)
HSV	hsv(257, 85%, 50%)
CMYK	cmyk(61.4%, 85%, 0%, 50.2%)
CIE-LAB	lab(18.59, 42.29, -54.63)
CIE-LCH	lch(18.59, 69.09, 307.74°)
OKLab	oklab(31.75% 0.0422 -0.1574)
OKLCH	oklch(31.75% 0.163 285)
XYZ	xyz(5.3291, 2.6507, 20.3054)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31137F #617F13

analogous

#132B7F #31137F #67137F

triadic

#31137F #7F3113 #137F31

tetradic

#31137F #7F132B #617F13 #137F67

square

#31137F #7F132B #617F13 #137F67

split-complementary

#31137F #7F6713 #2B7F13

monochromatic

#0A041B #1C0B4A #31137F #461BB4 #5E2DE0

Accessibility & contrast

On white

13.72

#31137F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#31137F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31137F

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31137F	#FFFFFF	#000000	##FFFFFF
##31137F	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #31137f;
/* rgb */ color: rgb(49, 19, 127);
/* oklch */ color: oklch(31.8% 0.163 285.0);

Tailwind

colors: {
  custom: {
    50: '#7456a5',
    500: '#31137f',
    950: '#000000',
  },
}

SCSS

$custom: #31137f;
$custom-light: #7456a5;
$custom-dark: #000000;

JSON

{
  "hex": "#31137f",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 127
  },
  "hsl": {
    "h": 256.667,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31752,
    "c": 0.163,
    "h": 285
  },
  "luminance": 0.02651
}

Semantic roles & 50–950 ramp

primary

#31137F

secondary

#92B439

accent

#F137BD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31137F

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

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