#42258B#42258B

#42258B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.158 H 289.3°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#42258B
RGB	rgb(66, 37, 139)
HSL	hsl(257, 58%, 35%)
HSV	hsv(257, 73%, 55%)
CMYK	cmyk(52.5%, 73.4%, 0%, 45.5%)
CIE-LAB	lab(24.78, 39.32, -51.93)
CIE-LCH	lch(24.78, 65.13, 307.13°)
OKLab	oklab(36.89% 0.0522 -0.1491)
OKLCH	oklch(36.89% 0.158 289.3)
XYZ	xyz(7.5672, 4.3451, 24.8611)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42258B #6E8B25

analogous

#253B8B #42258B #75258B

triadic

#42258B #8B4225 #258B42

tetradic

#42258B #8B253B #6E8B25 #258B75

square

#42258B #8B253B #6E8B25 #258B75

split-complementary

#42258B #8B7525 #3B8B25

monochromatic

#140B2A #2B185B #42258B #5932BB #7B58D3

Accessibility & contrast

On white

11.24

#42258B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#42258B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42258B

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42258B	#FFFFFF	#000000	##FFFFFF
##42258B	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#284055

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #42258b;
/* rgb */ color: rgb(66, 37, 139);
/* oklch */ color: oklch(36.9% 0.158 289.3);

Tailwind

colors: {
  custom: {
    50: '#7e62ae',
    500: '#42258b',
    950: '#000000',
  },
}

SCSS

$custom: #42258b;
$custom-light: #7e62ae;
$custom-dark: #000000;

JSON

{
  "hex": "#42258b",
  "rgb": {
    "r": 66,
    "g": 37,
    "b": 139
  },
  "hsl": {
    "h": 257.059,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36892,
    "c": 0.15801,
    "h": 289.3
  },
  "luminance": 0.04345
}

Semantic roles & 50–950 ramp

primary

#42258B

secondary

#9BB755

accent

#E147B5

background

#F8F5FA

surface

#EFEAF4

border

#CAC6CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #42258B

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

Preview Lab → · Contrast checker → · Palette generator →