#51237E#51237E

#51237E is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.2% C 0.146 H 303.0°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#51237E
RGB	rgb(81, 35, 126)
HSL	hsl(270, 57%, 32%)
HSV	hsv(270, 72%, 49%)
CMYK	cmyk(35.7%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(25.13, 39.62, -43.13)
CIE-LCH	lch(25.13, 58.56, 312.57°)
OKLab	oklab(37.21% 0.0797 -0.1227)
OKLCH	oklch(37.21% 0.146 303)
XYZ	xyz(7.7594, 4.4577, 20.1863)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 5.17

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51237E #507E23

analogous

#24237E #51237E #7E237E

triadic

#51237E #7E5123 #237E51

tetradic

#51237E #7E2423 #507E23 #237E7E

square

#51237E #7E2423 #507E23 #237E7E

split-complementary

#51237E #7E7E23 #237E24

monochromatic

#13081E #32164E #51237E #7030AE #8E4ECE

Accessibility & contrast

On white

11.10

#51237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#51237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51237E

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51237E	#FFFFFF	#000000	##FFFFFF
##51237E	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B81

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#48384E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #51237e;
/* rgb */ color: rgb(81, 35, 126);
/* oklch */ color: oklch(37.2% 0.146 303.0);

Tailwind

colors: {
  custom: {
    50: '#8662a4',
    500: '#51237e',
    950: '#000000',
  },
}

SCSS

$custom: #51237e;
$custom-light: #8662a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51237e",
  "rgb": {
    "r": 81,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 270.33,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.3721,
    "c": 0.14631,
    "h": 303
  },
  "luminance": 0.04458
}

Semantic roles & 50–950 ramp

primary

#51237E

secondary

#7EB04C

accent

#E04893

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #51237E

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

Preview Lab → · Contrast checker → · Palette generator →