#4025B5#4025B5

#4025B5 is a dark, highly saturated violet. Relative luminance 0.057; OKLCH L 40.9% C 0.208 H 280.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#4025B5
RGB	rgb(64, 37, 181)
HSL	hsl(251, 66%, 43%)
HSV	hsv(251, 80%, 71%)
CMYK	cmyk(64.6%, 79.6%, 0%, 29%)
CIE-LAB	lab(28.77, 51.53, -70.93)
CIE-LCH	lch(28.77, 87.68, 306.00°)
OKLab	oklab(40.9% 0.038 -0.2047)
OKLCH	oklch(40.9% 0.208 280.5)
XYZ	xyz(11.1138, 5.7485, 44.2310)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4025B5 #9AB525

analogous

#2552B5 #4025B5 #8825B5

triadic

#4025B5 #B54025 #25B540

tetradic

#4025B5 #B52552 #9AB525 #25B588

square

#4025B5 #B52552 #9AB525 #25B588

split-complementary

#4025B5 #B58825 #52B525

monochromatic

#1C104F #2E1B82 #4025B5 #5C3FD8 #8772E2

Accessibility & contrast

On white

9.77

#4025B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#4025B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4025B5

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4025B5	#FFFFFF	#000000	##FFFFFF
##4025B5	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B9

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#00516D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #4025b5;
/* rgb */ color: rgb(64, 37, 181);
/* oklch */ color: oklch(40.9% 0.208 280.5);

Tailwind

colors: {
  custom: {
    50: '#8564cd',
    500: '#4025b5',
    950: '#000000',
  },
}

SCSS

$custom: #4025b5;
$custom-light: #8564cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4025b5",
  "rgb": {
    "r": 64,
    "g": 37,
    "b": 181
  },
  "hsl": {
    "h": 251.25,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40903,
    "c": 0.20824,
    "h": 280.5
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#4025B5

secondary

#B8C96D

accent

#E93FC9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #4025B5

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

Preview Lab → · Contrast checker → · Palette generator →