#451B74#451B74

#451B74 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.143 H 300.3°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#451B74
RGB	rgb(69, 27, 116)
HSL	hsl(268, 62%, 28%)
HSV	hsv(268, 77%, 45%)
CMYK	cmyk(40.5%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(21.24, 38.52, -43.15)
CIE-LCH	lch(21.24, 57.84, 311.76°)
OKLab	oklab(33.84% 0.0719 -0.1232)
OKLCH	oklch(33.84% 0.143 300.3)
XYZ	xyz(5.9978, 3.3100, 16.8425)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B74 #4A741B

analogous

#1B1D74 #451B74 #711B74

triadic

#451B74 #74451B #1B7445

tetradic

#451B74 #741B1D #4A741B #1B7471

square

#451B74 #741B1D #4A741B #1B7471

split-complementary

#451B74 #74711B #1D741B

monochromatic

#0F0619 #270F42 #451B74 #6327A6 #8039D1

Accessibility & contrast

On white

12.64

#451B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#451B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B74

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B74	#FFFFFF	#000000	##FFFFFF
##451B74	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003377

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#3A3246

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #451b74;
/* rgb */ color: rgb(69, 27, 116);
/* oklch */ color: oklch(33.8% 0.143 300.3);

Tailwind

colors: {
  custom: {
    50: '#7e5c9d',
    500: '#451b74',
    950: '#000000',
  },
}

SCSS

$custom: #451b74;
$custom-light: #7e5c9d;
$custom-dark: #000000;

JSON

{
  "hex": "#451b74",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 268.315,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33835,
    "c": 0.14263,
    "h": 300.3
  },
  "luminance": 0.0331
}

Semantic roles & 50–950 ramp

primary

#451B74

secondary

#78A942

accent

#E54298

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B74

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

Preview Lab → · Contrast checker → · Palette generator →