#301B7D#301B7D

#301B7D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.153 H 283.6°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#301B7D
RGB	rgb(48, 27, 125)
HSL	hsl(253, 64%, 30%)
HSV	hsv(253, 78%, 49%)
CMYK	cmyk(61.6%, 78.4%, 0%, 51%)
CIE-LAB	lab(19.61, 37.67, -51.68)
CIE-LCH	lch(19.61, 63.95, 306.09°)
OKLab	oklab(32.37% 0.036 -0.1489)
OKLCH	oklch(32.37% 0.153 283.6)
XYZ	xyz(5.3114, 2.8926, 19.6765)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B7D #687D1B

analogous

#1B377D #301B7D #611B7D

triadic

#301B7D #7D301B #1B7D30

tetradic

#301B7D #7D1B37 #687D1B #1B7D61

square

#301B7D #7D1B37 #687D1B #1B7D61

split-complementary

#301B7D #7D611B #377D1B

monochromatic

#0A0519 #1D104B #301B7D #4326AF #5E3DD5

Accessibility & contrast

On white

13.30

#301B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#301B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B7D

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B7D	#FFFFFF	#000000	##FFFFFF
##301B7D	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002C7B

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #301b7d;
/* rgb */ color: rgb(48, 27, 125);
/* oklch */ color: oklch(32.4% 0.153 283.6);

Tailwind

colors: {
  custom: {
    50: '#735aa4',
    500: '#301b7d',
    950: '#000000',
  },
}

SCSS

$custom: #301b7d;
$custom-light: #735aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#301b7d",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 252.857,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32372,
    "c": 0.15325,
    "h": 283.6
  },
  "luminance": 0.02893
}

Semantic roles & 50–950 ramp

primary

#301B7D

secondary

#99B143

accent

#E740C4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #301B7D

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

Preview Lab → · Contrast checker → · Palette generator →