#51257D#51257D

#51257D is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.4% C 0.142 H 303.0°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#51257D
RGB	rgb(81, 37, 125)
HSL	hsl(270, 54%, 32%)
HSV	hsv(270, 70%, 49%)
CMYK	cmyk(35.2%, 70.4%, 0%, 51%)
CIE-LAB	lab(25.42, 38.33, -42.02)
CIE-LCH	lch(25.42, 56.88, 312.37°)
OKLab	oklab(37.39% 0.0775 -0.1195)
OKLCH	oklch(37.39% 0.142 303)
XYZ	xyz(7.7557, 4.5531, 19.8683)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.67

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51257D #517D25

analogous

#25257D #51257D #7D257D

triadic

#51257D #7D5125 #257D51

tetradic

#51257D #7D2525 #517D25 #257D7D

square

#51257D #7D2525 #517D25 #257D7D

split-complementary

#51257D #7D7D25 #257D25

monochromatic

#14091F #32174E #51257D #7033AC #8E51CB

Accessibility & contrast

On white

10.99

#51257D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#51257D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51257D

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51257D	#FFFFFF	#000000	##FFFFFF
##51257D	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#48394E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #51257d;
/* rgb */ color: rgb(81, 37, 125);
/* oklch */ color: oklch(37.4% 0.142 303.0);

Tailwind

colors: {
  custom: {
    50: '#8663a3',
    500: '#51257d',
    950: '#000000',
  },
}

SCSS

$custom: #51257d;
$custom-light: #8663a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51257d",
  "rgb": {
    "r": 81,
    "g": 37,
    "b": 125
  },
  "hsl": {
    "h": 270,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37394,
    "c": 0.14244,
    "h": 303
  },
  "luminance": 0.04553
}

Semantic roles & 50–950 ramp

primary

#51257D

secondary

#7FAF4F

accent

#DE4A94

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0B050F

muted

#7C7A7F

Preview Lab

Preview with #51257D

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

Preview Lab → · Contrast checker → · Palette generator →