#42103B#42103B

#42103B is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.7% C 0.096 H 333.9°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#42103B
RGB	rgb(66, 16, 59)
HSL	hsl(308, 61%, 16%)
HSV	hsv(308, 76%, 26%)
CMYK	cmyk(0%, 75.8%, 10.6%, 74.1%)
CIE-LAB	lab(14.65, 29.69, -15.38)
CIE-LCH	lch(14.65, 33.44, 332.61°)
OKLab	oklab(27.68% 0.086 -0.042)
OKLCH	oklch(27.68% 0.096 333.9)
XYZ	xyz(3.2215, 1.8449, 4.3232)
Luminance	0.0185 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42103B #104217

analogous

#301042 #42103B #421022

triadic

#42103B #3B4210 #103B42

tetradic

#42103B #423010 #104217 #102242

square

#42103B #423010 #104217 #102242

split-complementary

#42103B #224210 #104230

monochromatic

#190616 #190616 #42103B #731C67 #A52893

Accessibility & contrast

On white

15.34

#42103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#42103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42103B

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42103B	#FFFFFF	#000000	##FFFFFF
##42103B	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F203C

Deuteranopia (green-blind)

#20283A

Tritanopia (blue-blind)

#451423

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #42103b;
/* rgb */ color: rgb(66, 16, 59);
/* oklch */ color: oklch(27.7% 0.096 333.9);

Tailwind

colors: {
  custom: {
    50: '#785371',
    500: '#42103b',
    950: '#000000',
  },
}

SCSS

$custom: #42103b;
$custom-light: #785371;
$custom-dark: #000000;

JSON

{
  "hex": "#42103b",
  "rgb": {
    "r": 66,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 308.4,
    "s": 60.976,
    "l": 16.078
  },
  "oklch": {
    "l": 0.27678,
    "c": 0.09573,
    "h": 333.9
  },
  "luminance": 0.01845
}

Semantic roles & 50–950 ramp

primary

#42103B

secondary

#327C3C

accent

#E45A44

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#090307

muted

#7B787A

Preview Lab

Preview with #42103B

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

Preview Lab → · Contrast checker → · Palette generator →