#301B71#301B71

#301B71 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.1% C 0.138 H 286.5°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#301B71
RGB	rgb(48, 27, 113)
HSL	hsl(255, 61%, 27%)
HSV	hsv(255, 76%, 44%)
CMYK	cmyk(57.5%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(18.38, 33.88, -45.99)
CIE-LCH	lch(18.38, 57.13, 306.38°)
OKLab	oklab(31.14% 0.0392 -0.1323)
OKLCH	oklch(31.14% 0.138 286.5)
XYZ	xyz(4.5906, 2.6042, 15.8804)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301B71 #5C711B

analogous

#1B3171 #301B71 #5B1B71

triadic

#301B71 #71301B #1B7130

tetradic

#301B71 #711B31 #5C711B #1B715B

square

#301B71 #711B31 #5C711B #1B715B

split-complementary

#301B71 #715B1B #31711B

monochromatic

#0A0619 #1B0F40 #301B71 #4527A2 #5C37CF

Accessibility & contrast

On white

13.81

#301B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#301B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301B71

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301B71	#FFFFFF	#000000	##FFFFFF
##301B71	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F74

Deuteranopia (green-blind)

#002A6F

Tritanopia (blue-blind)

#133244

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #301b71;
/* rgb */ color: rgb(48, 27, 113);
/* oklch */ color: oklch(31.1% 0.138 286.5);

Tailwind

colors: {
  custom: {
    50: '#705a9b',
    500: '#301b71',
    950: '#000000',
  },
}

SCSS

$custom: #301b71;
$custom-light: #705a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#301b71",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 254.651,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31137,
    "c": 0.13801,
    "h": 286.5
  },
  "luminance": 0.02604
}

Semantic roles & 50–950 ramp

primary

#301B71

secondary

#8DA642

accent

#E543BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #301B71

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

Preview Lab → · Contrast checker → · Palette generator →