#42308B#42308B

#42308B is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.6% C 0.144 H 286.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#42308B
RGB	rgb(66, 48, 139)
HSL	hsl(252, 49%, 37%)
HSV	hsv(252, 65%, 55%)
CMYK	cmyk(52.5%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(27.12, 32.93, -48.11)
CIE-LCH	lch(27.12, 58.30, 304.38°)
OKLab	oklab(38.57% 0.0412 -0.138)
OKLCH	oklch(38.57% 0.144 286.6)
XYZ	xyz(7.9625, 5.1358, 24.9928)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42308B #798B30

analogous

#304C8B #42308B #70308B

triadic

#42308B #8B4230 #308B42

tetradic

#42308B #8B304C #798B30 #308B70

square

#42308B #8B304C #798B30 #308B70

split-complementary

#42308B #8B7030 #4C8B30

monochromatic

#171130 #2C205E #42308B #5840B8 #7D6ACC

Accessibility & contrast

On white

10.36

#42308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#42308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42308B

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42308B	#FFFFFF	#000000	##FFFFFF
##42308B	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#274659

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #42308b;
/* rgb */ color: rgb(66, 48, 139);
/* oklch */ color: oklch(38.6% 0.144 286.6);

Tailwind

colors: {
  custom: {
    50: '#7d69ae',
    500: '#42308b',
    950: '#000000',
  },
}

SCSS

$custom: #42308b;
$custom-light: #7d69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42308b",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 251.868,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.3857,
    "c": 0.14399,
    "h": 286.6
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#42308B

secondary

#A3B364

accent

#D850BD

background

#F8F6FA

surface

#EFEBF4

border

#CAC6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #42308B

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

Preview Lab → · Contrast checker → · Palette generator →