#51278B#51278B

#51278B is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.8% C 0.156 H 297.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#51278B
RGB	rgb(81, 39, 139)
HSL	hsl(265, 56%, 35%)
HSV	hsv(265, 72%, 55%)
CMYK	cmyk(41.7%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(26.92, 41.02, -48.37)
CIE-LCH	lch(26.92, 63.42, 310.30°)
OKLab	oklab(38.81% 0.0731 -0.1381)
OKLCH	oklch(38.81% 0.156 297.9)
XYZ	xyz(8.7779, 5.0643, 24.9361)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51278B #618B27

analogous

#272F8B #51278B #83278B

triadic

#51278B #8B5127 #278B51

tetradic

#51278B #8B272F #618B27 #278B83

square

#51278B #8B272F #618B27 #278B83

split-complementary

#51278B #8B8327 #2F8B27

monochromatic

#190C2B #351A5B #51278B #6D34BB #8D5BD1

Accessibility & contrast

On white

10.43

#51278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#51278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51278B

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51278B	#FFFFFF	#000000	##FFFFFF
##51278B	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#434056

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #51278b;
/* rgb */ color: rgb(81, 39, 139);
/* oklch */ color: oklch(38.8% 0.156 297.9);

Tailwind

colors: {
  custom: {
    50: '#8765ae',
    500: '#51278b',
    950: '#000000',
  },
}

SCSS

$custom: #51278b;
$custom-light: #8765ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51278b",
  "rgb": {
    "r": 81,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 265.2,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38813,
    "c": 0.15627,
    "h": 297.9
  },
  "luminance": 0.05064
}

Semantic roles & 50–950 ramp

primary

#51278B

secondary

#8EB658

accent

#DF48A0

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C0610

muted

#7D7A7F

Preview Lab

Preview with #51278B

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

Preview Lab → · Contrast checker → · Palette generator →