#451B8F#451B8F

#451B8F is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.173 H 291.7°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#451B8F
RGB	rgb(69, 27, 143)
HSL	hsl(262, 68%, 33%)
HSV	hsv(262, 81%, 56%)
CMYK	cmyk(51.7%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(23.78, 45.86, -56.05)
CIE-LCH	lch(23.78, 72.42, 309.29°)
OKLab	oklab(36.38% 0.0641 -0.161)
OKLCH	oklch(36.38% 0.173 291.7)
XYZ	xyz(7.8027, 4.0319, 26.3484)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B8F #658F1B

analogous

#1B2B8F #451B8F #7F1B8F

triadic

#451B8F #8F451B #1B8F45

tetradic

#451B8F #8F1B2B #658F1B #1B8F7F

square

#451B8F #8F1B2B #658F1B #1B8F7F

split-complementary

#451B8F #8F7F1B #2B8F1B

monochromatic

#130828 #2C115C #451B8F #5E25C2 #7E48DC

Accessibility & contrast

On white

11.63

#451B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#451B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B8F

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B8F	#FFFFFF	#000000	##FFFFFF
##451B8F	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#2C3D55

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #451b8f;
/* rgb */ color: rgb(69, 27, 143);
/* oklch */ color: oklch(36.4% 0.173 291.7);

Tailwind

colors: {
  custom: {
    50: '#815db1',
    500: '#451b8f',
    950: '#000000',
  },
}

SCSS

$custom: #451b8f;
$custom-light: #815db1;
$custom-dark: #000000;

JSON

{
  "hex": "#451b8f",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 261.724,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36383,
    "c": 0.17332,
    "h": 291.7
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#451B8F

secondary

#93BE48

accent

#EB3DAC

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0511

muted

#7C7980

Preview Lab

Preview with #451B8F

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

Preview Lab → · Contrast checker → · Palette generator →