#451B71#451B71

#451B71 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.139 H 301.4°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#451B71
RGB	rgb(69, 27, 113)
HSL	hsl(269, 61%, 27%)
HSV	hsv(269, 76%, 44%)
CMYK	cmyk(38.9%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(20.99, 37.72, -41.64)
CIE-LCH	lch(20.99, 56.18, 312.18°)
OKLab	oklab(33.57% 0.0726 -0.1187)
OKLCH	oklch(33.57% 0.139 301.4)
XYZ	xyz(5.8261, 3.2413, 15.9383)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B71 #47711B

analogous

#1B1C71 #451B71 #701B71

triadic

#451B71 #71451B #1B7145

tetradic

#451B71 #711B1C #47711B #1B7170

square

#451B71 #711B1C #47711B #1B7170

split-complementary

#451B71 #71701B #1C711B

monochromatic

#0F0619 #270F40 #451B71 #6327A2 #8137CF

Accessibility & contrast

On white

12.74

#451B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#451B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B71

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B71	#FFFFFF	#000000	##FFFFFF
##451B71	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003273

Deuteranopia (green-blind)

#00326F

Tritanopia (blue-blind)

#3B3044

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #451b71;
/* rgb */ color: rgb(69, 27, 113);
/* oklch */ color: oklch(33.6% 0.139 301.4);

Tailwind

colors: {
  custom: {
    50: '#7d5c9a',
    500: '#451b71',
    950: '#000000',
  },
}

SCSS

$custom: #451b71;
$custom-light: #7d5c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#451b71",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 269.302,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3357,
    "c": 0.13917,
    "h": 301.4
  },
  "luminance": 0.03241
}

Semantic roles & 50–950 ramp

primary

#451B71

secondary

#75A642

accent

#E54396

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B71

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

Preview Lab → · Contrast checker → · Palette generator →