#301B6E#301B6E

#301B6E is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.134 H 287.3°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#301B6E
RGB	rgb(48, 27, 110)
HSL	hsl(255, 61%, 27%)
HSV	hsv(255, 75%, 43%)
CMYK	cmyk(56.4%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(18.09, 32.93, -44.53)
CIE-LCH	lch(18.09, 55.39, 306.48°)
OKLab	oklab(30.84% 0.0399 -0.128)
OKLCH	oklch(30.84% 0.134 287.3)
XYZ	xyz(4.4245, 2.5378, 15.0055)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B6E #596E1B

analogous

#1B306E #301B6E #5A1B6E

triadic

#301B6E #6E301B #1B6E30

tetradic

#301B6E #6E1B30 #596E1B #1B6E5A

square

#301B6E #6E1B30 #596E1B #1B6E5A

split-complementary

#301B6E #6E5A1B #306E1B

monochromatic

#0B0619 #1B0F3D #301B6E #45279F #5C36CE

Accessibility & contrast

On white

13.93

#301B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#301B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B6E

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B6E	#FFFFFF	#000000	##FFFFFF
##301B6E	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E70

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#173142

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #301b6e;
/* rgb */ color: rgb(48, 27, 110);
/* oklch */ color: oklch(30.8% 0.134 287.3);

Tailwind

colors: {
  custom: {
    50: '#705998',
    500: '#301b6e',
    950: '#000000',
  },
}

SCSS

$custom: #301b6e;
$custom-light: #705998;
$custom-dark: #000000;

JSON

{
  "hex": "#301b6e",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 255.181,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30838,
    "c": 0.13411,
    "h": 287.3
  },
  "luminance": 0.02538
}

Semantic roles & 50–950 ramp

primary

#301B6E

secondary

#8AA342

accent

#E444BB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B6E

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

Preview Lab → · Contrast checker → · Palette generator →