#451FB4#451FB4

#451FB4 is a dark, highly saturated violet. Relative luminance 0.055; OKLCH L 40.6% C 0.211 H 283.4°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#451FB4
RGB	rgb(69, 31, 180)
HSL	hsl(255, 71%, 41%)
HSV	hsv(255, 83%, 71%)
CMYK	cmyk(61.7%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(28.22, 54.38, -71.23)
CIE-LCH	lch(28.22, 89.61, 307.36°)
OKLab	oklab(40.61% 0.049 -0.2054)
OKLCH	oklch(40.61% 0.211 283.4)
XYZ	xyz(11.1799, 5.5397, 43.6513)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451FB4 #8EB41F

analogous

#1F44B4 #451FB4 #901FB4

triadic

#451FB4 #B4451F #1FB445

tetradic

#451FB4 #B41F44 #8EB41F #1FB490

square

#451FB4 #B41F44 #8EB41F #1FB490

split-complementary

#451FB4 #B4901F #44B41F

monochromatic

#1D0D4C #311680 #451FB4 #5F34DC #8868E5

Accessibility & contrast

On white

9.96

#451FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#451FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451FB4

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451FB4	#FFFFFF	#000000	##FFFFFF
##451FB4	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #451fb4;
/* rgb */ color: rgb(69, 31, 180);
/* oklch */ color: oklch(40.6% 0.211 283.4);

Tailwind

colors: {
  custom: {
    50: '#8762cc',
    500: '#451fb4',
    950: '#000000',
  },
}

SCSS

$custom: #451fb4;
$custom-light: #8762cc;
$custom-dark: #000000;

JSON

{
  "hex": "#451fb4",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 255.302,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40605,
    "c": 0.21114,
    "h": 283.4
  },
  "luminance": 0.0554
}

Semantic roles & 50–950 ramp

primary

#451FB4

secondary

#B0CB64

accent

#ED3AC0

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #451FB4

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

Preview Lab → · Contrast checker → · Palette generator →