#310C50#310C50

#310C50 is a dark, moderate violet. Relative luminance 0.015; OKLCH L 26.1% C 0.115 H 303.9°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#310C50
RGB	rgb(49, 12, 80)
HSL	hsl(273, 74%, 18%)
HSV	hsv(273, 85%, 31%)
CMYK	cmyk(38.8%, 85%, 0%, 68.6%)
CIE-LAB	lab(12.58, 32.08, -33.53)
CIE-LCH	lch(12.58, 46.41, 313.73°)
OKLab	oklab(26.09% 0.0642 -0.0956)
OKLCH	oklch(26.09% 0.115 303.9)
XYZ	xyz(2.8457, 1.4951, 7.7265)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C50 #2B500C

analogous

#0F0C50 #310C50 #500C4D

triadic

#310C50 #50310C #0C5031

tetradic

#310C50 #500F0C #2B500C #0C4D50

square

#310C50 #500F0C #2B500C #0C4D50

split-complementary

#310C50 #4D500C #0C500F

monochromatic

#10041B #10041B #310C50 #521485 #721CBA

Accessibility & contrast

On white

16.17

#310C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#310C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C50

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C50	#FFFFFF	#000000	##FFFFFF
##310C50	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002052

Deuteranopia (green-blind)

#00214F

Tritanopia (blue-blind)

#2B1E2E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #310c50;
/* rgb */ color: rgb(49, 12, 80);
/* oklch */ color: oklch(26.1% 0.115 303.9);

Tailwind

colors: {
  custom: {
    50: '#6d5082',
    500: '#310c50',
    950: '#000000',
  },
}

SCSS

$custom: #310c50;
$custom-light: #6d5082;
$custom-dark: #000000;

JSON

{
  "hex": "#310c50",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 80
  },
  "hsl": {
    "h": 272.647,
    "s": 73.913,
    "l": 18.039
  },
  "oklch": {
    "l": 0.26091,
    "c": 0.11513,
    "h": 303.9
  },
  "luminance": 0.01495
}

Semantic roles & 50–950 ramp

primary

#310C50

secondary

#588B2C

accent

#F1378C

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310C50

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

Preview Lab → · Contrast checker → · Palette generator →