#301B63#301B63

#301B63 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.8% C 0.120 H 290.7°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#301B63
RGB	rgb(48, 27, 99)
HSL	hsl(258, 57%, 25%)
HSV	hsv(258, 73%, 39%)
CMYK	cmyk(51.5%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(17.05, 29.44, -39.03)
CIE-LCH	lch(17.05, 48.88, 307.03°)
OKLab	oklab(29.78% 0.0422 -0.1119)
OKLCH	oklch(29.78% 0.12 290.7)
XYZ	xyz(3.8623, 2.3129, 12.0449)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B63 #4E631B

analogous

#1B2A63 #301B63 #541B63

triadic

#301B63 #63301B #1B6330

tetradic

#301B63 #631B2A #4E631B #1B6354

square

#301B63 #631B2A #4E631B #1B6354

split-complementary

#301B63 #63541B #2A631B

monochromatic

#0C0718 #190E33 #301B63 #472893 #5F35C3

Accessibility & contrast

On white

14.36

#301B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#301B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B63

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B63	#FFFFFF	#000000	##FFFFFF
##301B63	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002862

Tritanopia (blue-blind)

#1F2D3C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #301b63;
/* rgb */ color: rgb(48, 27, 99);
/* oklch */ color: oklch(29.8% 0.120 290.7);

Tailwind

colors: {
  custom: {
    50: '#6e5990',
    500: '#301b63',
    950: '#000000',
  },
}

SCSS

$custom: #301b63;
$custom-light: #6e5990;
$custom-dark: #000000;

JSON

{
  "hex": "#301b63",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 257.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.29777,
    "c": 0.11958,
    "h": 290.7
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#301B63

secondary

#7F9841

accent

#E047B4

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#08030D

muted

#7B787D

Preview Lab

Preview with #301B63

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

Preview Lab → · Contrast checker → · Palette generator →