#301B6F#301B6F

#301B6F is a dark, vivid violet. Relative luminance 0.026; OKLCH L 30.9% C 0.135 H 287.0°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#301B6F
RGB	rgb(48, 27, 111)
HSL	hsl(255, 61%, 27%)
HSV	hsv(255, 76%, 44%)
CMYK	cmyk(56.8%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(18.19, 33.25, -45.02)
CIE-LCH	lch(18.19, 55.97, 306.44°)
OKLab	oklab(30.94% 0.0397 -0.1295)
OKLCH	oklch(30.94% 0.135 287)
XYZ	xyz(4.4792, 2.5597, 15.2939)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B6F #5A6F1B

analogous

#1B306F #301B6F #5A1B6F

triadic

#301B6F #6F301B #1B6F30

tetradic

#301B6F #6F1B30 #5A6F1B #1B6F5A

square

#301B6F #6F1B30 #5A6F1B #1B6F5A

split-complementary

#301B6F #6F5A1B #306F1B

monochromatic

#0B0619 #1B0F3E #301B6F #4527A0 #5C36CE

Accessibility & contrast

On white

13.89

#301B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#301B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B6F

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B6F	#FFFFFF	#000000	##FFFFFF
##301B6F	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E71

Deuteranopia (green-blind)

#002A6D

Tritanopia (blue-blind)

#163243

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #301b6f;
/* rgb */ color: rgb(48, 27, 111);
/* oklch */ color: oklch(30.9% 0.135 287.0);

Tailwind

colors: {
  custom: {
    50: '#705999',
    500: '#301b6f',
    950: '#000000',
  },
}

SCSS

$custom: #301b6f;
$custom-light: #705999;
$custom-dark: #000000;

JSON

{
  "hex": "#301b6f",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 255,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30937,
    "c": 0.13542,
    "h": 287
  },
  "luminance": 0.0256
}

Semantic roles & 50–950 ramp

primary

#301B6F

secondary

#8BA442

accent

#E444BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B6F

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

Preview Lab → · Contrast checker → · Palette generator →