#451B6B#451B6B

#451B6B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.132 H 303.9°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#451B6B
RGB	rgb(69, 27, 107)
HSL	hsl(272, 60%, 26%)
HSV	hsv(272, 75%, 42%)
CMYK	cmyk(35.5%, 74.8%, 0%, 58%)
CIE-LAB	lab(20.48, 36.14, -38.57)
CIE-LCH	lch(20.48, 52.85, 313.14°)
OKLab	oklab(33.06% 0.0738 -0.1097)
OKLCH	oklch(33.06% 0.132 303.9)
XYZ	xyz(5.4994, 3.1106, 14.2178)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B6B #416B1B

analogous

#1D1B6B #451B6B #6B1B69

triadic

#451B6B #6B451B #1B6B45

tetradic

#451B6B #6B1D1B #416B1B #1B696B

square

#451B6B #6B1D1B #416B1B #1B696B

split-complementary

#451B6B #696B1B #1B6B1D

monochromatic

#100618 #250F3A #451B6B #65279C #8435CC

Accessibility & contrast

On white

12.95

#451B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#451B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B6B

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B6B	#FFFFFF	#000000	##FFFFFF
##451B6B	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306D

Deuteranopia (green-blind)

#003169

Tritanopia (blue-blind)

#3E2E41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #451b6b;
/* rgb */ color: rgb(69, 27, 107);
/* oklch */ color: oklch(33.1% 0.132 303.9);

Tailwind

colors: {
  custom: {
    50: '#7d5b96',
    500: '#451b6b',
    950: '#000000',
  },
}

SCSS

$custom: #451b6b;
$custom-light: #7d5b96;
$custom-dark: #000000;

JSON

{
  "hex": "#451b6b",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 271.5,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.33055,
    "c": 0.13222,
    "h": 303.9
  },
  "luminance": 0.03111
}

Semantic roles & 50–950 ramp

primary

#451B6B

secondary

#6FA042

accent

#E34590

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #451B6B

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

Preview Lab → · Contrast checker → · Palette generator →