#301B79#301B79

#301B79 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.148 H 284.5°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#301B79
RGB	rgb(48, 27, 121)
HSL	hsl(253, 64%, 29%)
HSV	hsv(253, 78%, 47%)
CMYK	cmyk(60.3%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(19.19, 36.41, -49.81)
CIE-LCH	lch(19.19, 61.70, 306.17°)
OKLab	oklab(31.95% 0.0371 -0.1435)
OKLCH	oklch(31.95% 0.148 284.5)
XYZ	xyz(5.0610, 2.7924, 18.3578)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B79 #64791B

analogous

#1B3579 #301B79 #5F1B79

triadic

#301B79 #79301B #1B7930

tetradic

#301B79 #791B35 #64791B #1B795F

square

#301B79 #791B35 #64791B #1B795F

split-complementary

#301B79 #795F1B #35791B

monochromatic

#0A0619 #1C1047 #301B79 #4426AB #5D3BD3

Accessibility & contrast

On white

13.47

#301B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#301B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B79

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B79	#FFFFFF	#000000	##FFFFFF
##301B79	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002C77

Tritanopia (blue-blind)

#073549

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #301b79;
/* rgb */ color: rgb(48, 27, 121);
/* oklch */ color: oklch(32.0% 0.148 284.5);

Tailwind

colors: {
  custom: {
    50: '#725aa1',
    500: '#301b79',
    950: '#000000',
  },
}

SCSS

$custom: #301b79;
$custom-light: #725aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#301b79",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 253.404,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31954,
    "c": 0.14822,
    "h": 284.5
  },
  "luminance": 0.02793
}

Semantic roles & 50–950 ramp

primary

#301B79

secondary

#95AD43

accent

#E741C2

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #301B79

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

Preview Lab → · Contrast checker → · Palette generator →