#4025B1#4025B1

#4025B1 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.5% C 0.204 H 281.1°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#4025B1
RGB	rgb(64, 37, 177)
HSL	hsl(252, 65%, 42%)
HSV	hsv(252, 79%, 69%)
CMYK	cmyk(63.8%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(28.34, 50.36, -69.25)
CIE-LCH	lch(28.34, 85.62, 306.02°)
OKLab	oklab(40.48% 0.0392 -0.1998)
OKLCH	oklch(40.48% 0.204 281.1)
XYZ	xyz(10.7092, 5.5866, 42.1004)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4025B1 #96B125

analogous

#2550B1 #4025B1 #8625B1

triadic

#4025B1 #B14025 #25B140

tetradic

#4025B1 #B12550 #96B125 #25B186

square

#4025B1 #B12550 #96B125 #25B186

split-complementary

#4025B1 #B18625 #50B125

monochromatic

#1B104C #2E1A7E #4025B1 #5A3DD6 #856FE1

Accessibility & contrast

On white

9.92

#4025B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#4025B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4025B1

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4025B1	#FFFFFF	#000000	##FFFFFF
##4025B1	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4025b1;
/* rgb */ color: rgb(64, 37, 177);
/* oklch */ color: oklch(40.5% 0.204 281.1);

Tailwind

colors: {
  custom: {
    50: '#8464ca',
    500: '#4025b1',
    950: '#000000',
  },
}

SCSS

$custom: #4025b1;
$custom-light: #8464ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4025b1",
  "rgb": {
    "r": 64,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 251.571,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40482,
    "c": 0.20363,
    "h": 281.1
  },
  "luminance": 0.05587
}

Semantic roles & 50–950 ramp

primary

#4025B1

secondary

#B6C86A

accent

#E83FC8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4025B1

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

Preview Lab → · Contrast checker → · Palette generator →