#4027B0#4027B0

#4027B0 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 40.6% C 0.201 H 281.0°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#4027B0
RGB	rgb(64, 39, 176)
HSL	hsl(251, 64%, 42%)
HSV	hsv(251, 78%, 69%)
CMYK	cmyk(63.6%, 77.8%, 0%, 31%)
CIE-LAB	lab(28.58, 49.09, -68.27)
CIE-LCH	lch(28.58, 84.08, 305.72°)
OKLab	oklab(40.61% 0.0383 -0.197)
OKLCH	oklch(40.61% 0.201 281)
XYZ	xyz(10.6739, 5.6748, 41.5987)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4027B0 #97B027

analogous

#2753B0 #4027B0 #8527B0

triadic

#4027B0 #B04027 #27B040

tetradic

#4027B0 #B02753 #97B027 #27B085

square

#4027B0 #B02753 #97B027 #27B085

split-complementary

#4027B0 #B08527 #53B027

monochromatic

#1C114C #2E1C7E #4027B0 #5B40D5 #8672E0

Accessibility & contrast

On white

9.84

#4027B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#4027B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4027B0

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4027B0	#FFFFFF	#000000	##FFFFFF
##4027B0	1.00	9.84	2.14	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B4

Deuteranopia (green-blind)

#003EAE

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4027b0;
/* rgb */ color: rgb(64, 39, 176);
/* oklch */ color: oklch(40.6% 0.201 281.0);

Tailwind

colors: {
  custom: {
    50: '#8465c9',
    500: '#4027b0',
    950: '#000000',
  },
}

SCSS

$custom: #4027b0;
$custom-light: #8465c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4027b0",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 176
  },
  "hsl": {
    "h": 250.949,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40613,
    "c": 0.20069,
    "h": 281
  },
  "luminance": 0.05676
}

Semantic roles & 50–950 ramp

primary

#4027B0

secondary

#B6C76C

accent

#E741C9

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4027B0

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

Preview Lab → · Contrast checker → · Palette generator →