#451B77#451B77

#451B77 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.1% C 0.146 H 299.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#451B77
RGB	rgb(69, 27, 119)
HSL	hsl(267, 63%, 29%)
HSV	hsv(267, 77%, 47%)
CMYK	cmyk(42%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(21.51, 39.33, -44.64)
CIE-LCH	lch(21.51, 59.49, 311.38°)
OKLab	oklab(34.1% 0.0712 -0.1276)
OKLCH	oklch(34.1% 0.146 299.2)
XYZ	xyz(6.1751, 3.3809, 17.7764)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.98

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B77 #4D771B

analogous

#1B1F77 #451B77 #731B77

triadic

#451B77 #77451B #1B7745

tetradic

#451B77 #771B1F #4D771B #1B7773

square

#451B77 #771B1F #4D771B #1B7773

split-complementary

#451B77 #77731B #1F771B

monochromatic

#0E0619 #281045 #451B77 #6226A9 #803AD2

Accessibility & contrast

On white

12.53

#451B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#451B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B77

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B77	#FFFFFF	#000000	##FFFFFF
##451B77	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347A

Deuteranopia (green-blind)

#003375

Tritanopia (blue-blind)

#393348

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #451b77;
/* rgb */ color: rgb(69, 27, 119);
/* oklch */ color: oklch(34.1% 0.146 299.2);

Tailwind

colors: {
  custom: {
    50: '#7e5c9f',
    500: '#451b77',
    950: '#000000',
  },
}

SCSS

$custom: #451b77;
$custom-light: #7e5c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#451b77",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 267.391,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34103,
    "c": 0.14608,
    "h": 299.2
  },
  "luminance": 0.03381
}

Semantic roles & 50–950 ramp

primary

#451B77

secondary

#7BAB42

accent

#E6429B

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0A040F

muted

#7C797E

Preview Lab

Preview with #451B77

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

Preview Lab → · Contrast checker → · Palette generator →