#451B7A#451B7A

#451B7A is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.150 H 298.1°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#451B7A
RGB	rgb(69, 27, 122)
HSL	hsl(267, 64%, 29%)
HSV	hsv(267, 78%, 48%)
CMYK	cmyk(43.4%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(21.78, 40.14, -46.12)
CIE-LCH	lch(21.78, 61.14, 311.03°)
OKLab	oklab(34.38% 0.0704 -0.1319)
OKLCH	oklch(34.38% 0.15 298.1)
XYZ	xyz(6.3581, 3.4541, 18.7403)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.75

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B7A #507A1B

analogous

#1B217A #451B7A #751B7A

triadic

#451B7A #7A451B #1B7A45

tetradic

#451B7A #7A1B21 #507A1B #1B7A75

square

#451B7A #7A1B21 #507A1B #1B7A75

split-complementary

#451B7A #7A751B #217A1B

monochromatic

#0E0619 #291048 #451B7A #6126AC #7F3CD4

Accessibility & contrast

On white

12.42

#451B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#451B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B7A

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B7A	#FFFFFF	#000000	##FFFFFF
##451B7A	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#383449

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #451b7a;
/* rgb */ color: rgb(69, 27, 122);
/* oklch */ color: oklch(34.4% 0.150 298.1);

Tailwind

colors: {
  custom: {
    50: '#7e5ca1',
    500: '#451b7a',
    950: '#000000',
  },
}

SCSS

$custom: #451b7a;
$custom-light: #7e5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#451b7a",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 266.526,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34375,
    "c": 0.14953,
    "h": 298.1
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#451B7A

secondary

#7FAE43

accent

#E7419D

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #451B7A

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

Preview Lab → · Contrast checker → · Palette generator →