#451B8C#451B8C

#451B8C is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.170 H 292.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#451B8C
RGB	rgb(69, 27, 140)
HSL	hsl(262, 68%, 33%)
HSV	hsv(262, 81%, 55%)
CMYK	cmyk(50.7%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(23.48, 45.03, -54.67)
CIE-LCH	lch(23.48, 70.83, 309.48°)
OKLab	oklab(36.09% 0.0651 -0.157)
OKLCH	oklch(36.09% 0.17 292.5)
XYZ	xyz(7.5785, 3.9423, 25.1675)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B8C #628C1B

analogous

#1B298C #451B8C #7E1B8C

triadic

#451B8C #8C451B #1B8C45

tetradic

#451B8C #8C1B29 #628C1B #1B8C7E

square

#451B8C #8C1B29 #628C1B #1B8C7E

split-complementary

#451B8C #8C7E1B #298C1B

monochromatic

#120725 #2C1159 #451B8C #5E25BF #7E46DB

Accessibility & contrast

On white

11.74

#451B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#451B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B8C

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B8C	#FFFFFF	#000000	##FFFFFF
##451B8C	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#00368A

Tritanopia (blue-blind)

#2E3B53

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #451b8c;
/* rgb */ color: rgb(69, 27, 140);
/* oklch */ color: oklch(36.1% 0.170 292.5);

Tailwind

colors: {
  custom: {
    50: '#815daf',
    500: '#451b8c',
    950: '#000000',
  },
}

SCSS

$custom: #451b8c;
$custom-light: #815daf;
$custom-dark: #000000;

JSON

{
  "hex": "#451b8c",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 262.301,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36086,
    "c": 0.16995,
    "h": 292.5
  },
  "luminance": 0.03943
}

Semantic roles & 50–950 ramp

primary

#451B8C

secondary

#91BD46

accent

#EB3DAA

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0410

muted

#7C797F

Preview Lab

Preview with #451B8C

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

Preview Lab → · Contrast checker → · Palette generator →