#301B7B#301B7B

#301B7B is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.2% C 0.151 H 284.1°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#301B7B
RGB	rgb(48, 27, 123)
HSL	hsl(253, 64%, 29%)
HSV	hsv(253, 78%, 48%)
CMYK	cmyk(61%, 78%, 0%, 51.8%)
CIE-LAB	lab(19.40, 37.04, -50.75)
CIE-LCH	lch(19.40, 62.83, 306.13°)
OKLab	oklab(32.16% 0.0366 -0.1462)
OKLCH	oklch(32.16% 0.151 284.1)
XYZ	xyz(5.1849, 2.8420, 19.0104)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B7B #667B1B

analogous

#1B367B #301B7B #601B7B

triadic

#301B7B #7B301B #1B7B30

tetradic

#301B7B #7B1B36 #667B1B #1B7B60

square

#301B7B #7B1B36 #667B1B #1B7B60

split-complementary

#301B7B #7B601B #367B1B

monochromatic

#0A0619 #1C1049 #301B7B #4426AD #5D3CD4

Accessibility & contrast

On white

13.39

#301B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#301B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B7B

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B7B	#FFFFFF	#000000	##FFFFFF
##301B7B	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#03364A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #301b7b;
/* rgb */ color: rgb(48, 27, 123);
/* oklch */ color: oklch(32.2% 0.151 284.1);

Tailwind

colors: {
  custom: {
    50: '#725aa2',
    500: '#301b7b',
    950: '#000000',
  },
}

SCSS

$custom: #301b7b;
$custom-light: #725aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#301b7b",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 253.125,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32162,
    "c": 0.15074,
    "h": 284.1
  },
  "luminance": 0.02842
}

Semantic roles & 50–950 ramp

primary

#301B7B

secondary

#97AF43

accent

#E741C3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #301B7B

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

Preview Lab → · Contrast checker → · Palette generator →