#301B72#301B72

#301B72 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.139 H 286.2°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#301B72
RGB	rgb(48, 27, 114)
HSL	hsl(254, 62%, 28%)
HSV	hsv(254, 76%, 45%)
CMYK	cmyk(57.9%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(18.48, 34.20, -46.48)
CIE-LCH	lch(18.48, 57.70, 306.35°)
OKLab	oklab(31.24% 0.039 -0.1337)
OKLCH	oklch(31.24% 0.139 286.2)
XYZ	xyz(4.6472, 2.6269, 16.1785)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B72 #5D721B

analogous

#1B3172 #301B72 #5C1B72

triadic

#301B72 #72301B #1B7230

tetradic

#301B72 #721B31 #5D721B #1B725C

square

#301B72 #721B31 #5D721B #1B725C

split-complementary

#301B72 #725C1B #31721B

monochromatic

#0A0619 #1B0F41 #301B72 #4527A3 #5C38D0

Accessibility & contrast

On white

13.77

#301B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#301B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B72

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B72	#FFFFFF	#000000	##FFFFFF
##301B72	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F75

Deuteranopia (green-blind)

#002A70

Tritanopia (blue-blind)

#123345

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #301b72;
/* rgb */ color: rgb(48, 27, 114);
/* oklch */ color: oklch(31.2% 0.139 286.2);

Tailwind

colors: {
  custom: {
    50: '#715a9b',
    500: '#301b72',
    950: '#000000',
  },
}

SCSS

$custom: #301b72;
$custom-light: #715a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#301b72",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 254.483,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.31238,
    "c": 0.13929,
    "h": 286.2
  },
  "luminance": 0.02627
}

Semantic roles & 50–950 ramp

primary

#301B72

secondary

#8EA742

accent

#E543BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B72

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

Preview Lab → · Contrast checker → · Palette generator →