#301B83#301B83

#301B83 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.161 H 282.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#301B83
RGB	rgb(48, 27, 131)
HSL	hsl(252, 66%, 31%)
HSV	hsv(252, 79%, 51%)
CMYK	cmyk(63.4%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(20.25, 39.55, -54.43)
CIE-LCH	lch(20.25, 67.29, 306.00°)
OKLab	oklab(33.01% 0.0343 -0.157)
OKLCH	oklch(33.01% 0.161 282.3)
XYZ	xyz(5.7063, 3.0505, 21.7564)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B83 #6E831B

analogous

#1B3A83 #301B83 #641B83

triadic

#301B83 #83301B #1B8330

tetradic

#301B83 #831B3A #6E831B #1B8364

square

#301B83 #831B3A #6E831B #1B8364

split-complementary

#301B83 #83641B #3A831B

monochromatic

#0B061E #1D1150 #301B83 #4325B6 #5F41D8

Accessibility & contrast

On white

13.04

#301B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#301B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B83

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B83	#FFFFFF	#000000	##FFFFFF
##301B83	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003486

Deuteranopia (green-blind)

#002D81

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #301b83;
/* rgb */ color: rgb(48, 27, 131);
/* oklch */ color: oklch(33.0% 0.161 282.3);

Tailwind

colors: {
  custom: {
    50: '#745ba8',
    500: '#301b83',
    950: '#000000',
  },
}

SCSS

$custom: #301b83;
$custom-light: #745ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#301b83",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 252.115,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33009,
    "c": 0.1607,
    "h": 282.3
  },
  "luminance": 0.03051
}

Semantic roles & 50–950 ramp

primary

#301B83

secondary

#9FB643

accent

#E93FC6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #301B83

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

Preview Lab → · Contrast checker → · Palette generator →