#301A66#301A66

#301A66 is a dark, vivid violet. Relative luminance 0.023; OKLCH L 29.9% C 0.125 H 290.0°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#301A66
RGB	rgb(48, 26, 102)
HSL	hsl(257, 59%, 25%)
HSV	hsv(257, 75%, 40%)
CMYK	cmyk(52.9%, 74.5%, 0%, 60%)
CIE-LAB	lab(17.11, 30.98, -40.90)
CIE-LCH	lch(17.11, 51.31, 307.14°)
OKLab	oklab(29.91% 0.0427 -0.1174)
OKLCH	oklch(29.91% 0.125 290)
XYZ	xyz(3.9859, 2.3263, 12.8068)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.81

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301A66 #50661A

analogous

#1A2A66 #301A66 #561A66

triadic

#301A66 #66301A #1A6630

tetradic

#301A66 #661A2A #50661A #1A6656

square

#301A66 #661A2A #50661A #1A6656

split-complementary

#301A66 #66561A #2A661A

monochromatic

#0B0618 #190E35 #301A66 #472697 #5E33C8

Accessibility & contrast

On white

14.33

#301A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#301A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301A66

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301A66	#FFFFFF	#000000	##FFFFFF
##301A66	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C68

Deuteranopia (green-blind)

#002865

Tritanopia (blue-blind)

#1D2E3E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #301a66;
/* rgb */ color: rgb(48, 26, 102);
/* oklch */ color: oklch(29.9% 0.125 290.0);

Tailwind

colors: {
  custom: {
    50: '#6e5892',
    500: '#301a66',
    950: '#000000',
  },
}

SCSS

$custom: #301a66;
$custom-light: #6e5892;
$custom-dark: #000000;

JSON

{
  "hex": "#301a66",
  "rgb": {
    "r": 48,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 257.368,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.29909,
    "c": 0.12489,
    "h": 290
  },
  "luminance": 0.02326
}

Semantic roles & 50–950 ramp

primary

#301A66

secondary

#819C40

accent

#E345B5

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#08030D

muted

#7B787E

Preview Lab

Preview with #301A66

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

Preview Lab → · Contrast checker → · Palette generator →