#301B73#301B73

#301B73 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.3% C 0.141 H 286.0°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#301B73
RGB	rgb(48, 27, 115)
HSL	hsl(254, 62%, 28%)
HSV	hsv(254, 77%, 45%)
CMYK	cmyk(58.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(18.58, 34.52, -46.96)
CIE-LCH	lch(18.58, 58.28, 306.32°)
OKLab	oklab(31.34% 0.0387 -0.1351)
OKLCH	oklch(31.34% 0.141 286)
XYZ	xyz(4.7044, 2.6498, 16.4799)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B73 #5E731B

analogous

#1B3273 #301B73 #5C1B73

triadic

#301B73 #73301B #1B7330

tetradic

#301B73 #731B32 #5E731B #1B735C

square

#301B73 #731B32 #5E731B #1B735C

split-complementary

#301B73 #735C1B #32731B

monochromatic

#0A0619 #1B0F41 #301B73 #4527A5 #5C38D0

Accessibility & contrast

On white

13.73

#301B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#301B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B73

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B73	#FFFFFF	#000000	##FFFFFF
##301B73	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002B71

Tritanopia (blue-blind)

#113345

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #301b73;
/* rgb */ color: rgb(48, 27, 115);
/* oklch */ color: oklch(31.3% 0.141 286.0);

Tailwind

colors: {
  custom: {
    50: '#715a9c',
    500: '#301b73',
    950: '#000000',
  },
}

SCSS

$custom: #301b73;
$custom-light: #715a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#301b73",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 254.318,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.31339,
    "c": 0.14057,
    "h": 286
  },
  "luminance": 0.0265
}

Semantic roles & 50–950 ramp

primary

#301B73

secondary

#8FA842

accent

#E543BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B73

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

Preview Lab → · Contrast checker → · Palette generator →