#42238B#42238B

#42238B is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.6% C 0.160 H 289.7°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#42238B
RGB	rgb(66, 35, 139)
HSL	hsl(258, 60%, 34%)
HSV	hsv(258, 75%, 55%)
CMYK	cmyk(52.5%, 74.8%, 0%, 45.5%)
CIE-LAB	lab(24.40, 40.39, -52.55)
CIE-LCH	lch(24.40, 66.28, 307.54°)
OKLab	oklab(36.62% 0.054 -0.151)
OKLCH	oklch(36.62% 0.16 289.7)
XYZ	xyz(7.5067, 4.2241, 24.8409)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42238B #6C8B23

analogous

#23388B #42238B #76238B

triadic

#42238B #8B4223 #238B42

tetradic

#42238B #8B2338 #6C8B23 #238B76

square

#42238B #8B2338 #6C8B23 #238B76

split-complementary

#42238B #8B7623 #388B23

monochromatic

#140A29 #2B175A #42238B #592FBC #7A54D4

Accessibility & contrast

On white

11.38

#42238B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#42238B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42238B

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42238B	#FFFFFF	#000000	##FFFFFF
##42238B	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#283F55

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #42238b;
/* rgb */ color: rgb(66, 35, 139);
/* oklch */ color: oklch(36.6% 0.160 289.7);

Tailwind

colors: {
  custom: {
    50: '#7e61ae',
    500: '#42238b',
    950: '#000000',
  },
}

SCSS

$custom: #42238b;
$custom-light: #7e61ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42238b",
  "rgb": {
    "r": 66,
    "g": 35,
    "b": 139
  },
  "hsl": {
    "h": 257.885,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36621,
    "c": 0.16033,
    "h": 289.7
  },
  "luminance": 0.04224
}

Semantic roles & 50–950 ramp

primary

#42238B

secondary

#9AB852

accent

#E345B4

background

#F8F5FA

surface

#EFEAF4

border

#CAC6CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #42238B

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

Preview Lab → · Contrast checker → · Palette generator →