#451F8B#451F8B

#451F8B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.4% C 0.165 H 292.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#451F8B
RGB	rgb(69, 31, 139)
HSL	hsl(261, 64%, 33%)
HSV	hsv(261, 78%, 55%)
CMYK	cmyk(50.4%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(24.03, 42.90, -53.15)
CIE-LCH	lch(24.03, 68.30, 308.91°)
OKLab	oklab(36.44% 0.0622 -0.1526)
OKLCH	oklch(36.44% 0.165 292.2)
XYZ	xyz(7.6031, 4.1090, 24.8136)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451F8B #658B1F

analogous

#1F2F8B #451F8B #7B1F8B

triadic

#451F8B #8B451F #1F8B45

tetradic

#451F8B #8B1F2F #658B1F #1F8B7B

square

#451F8B #8B1F2F #658B1F #1F8B7B

split-complementary

#451F8B #8B7B1F #2F8B1F

monochromatic

#130927 #2C1459 #451F8B #5E2ABD #7E4DD7

Accessibility & contrast

On white

11.53

#451F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#451F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451F8B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451F8B	#FFFFFF	#000000	##FFFFFF
##451F8B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#2E3D54

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #451f8b;
/* rgb */ color: rgb(69, 31, 139);
/* oklch */ color: oklch(36.4% 0.165 292.2);

Tailwind

colors: {
  custom: {
    50: '#805fae',
    500: '#451f8b',
    950: '#000000',
  },
}

SCSS

$custom: #451f8b;
$custom-light: #805fae;
$custom-dark: #000000;

JSON

{
  "hex": "#451f8b",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 261.111,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3644,
    "c": 0.16475,
    "h": 292.2
  },
  "luminance": 0.04109
}

Semantic roles & 50–950 ramp

primary

#451F8B

secondary

#93BA4C

accent

#E741AC

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B0510

muted

#7C797F

Preview Lab

Preview with #451F8B

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

Preview Lab → · Contrast checker → · Palette generator →