#51209B#51209B

#51209B is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.4% C 0.182 H 294.5°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51209B
RGB	rgb(81, 32, 155)
HSL	hsl(264, 66%, 37%)
HSV	hsv(264, 79%, 61%)
CMYK	cmyk(47.7%, 79.4%, 0%, 39.2%)
CIE-LAB	lab(27.15, 48.65, -57.84)
CIE-LCH	lch(27.15, 75.58, 310.06°)
OKLab	oklab(39.42% 0.0755 -0.1659)
OKLCH	oklch(39.42% 0.182 294.5)
XYZ	xyz(9.8246, 5.1486, 31.4801)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51209B #6A9B20

analogous

#202D9B #51209B #8F209B

triadic

#51209B #9B5120 #209B51

tetradic

#51209B #9B202D #6A9B20 #209B8F

square

#51209B #9B202D #6A9B20 #209B8F

split-complementary

#51209B #9B8F20 #2D9B20

monochromatic

#1C0B36 #361668 #51209B #6C2ACE #8D59DD

Accessibility & contrast

On white

10.35

#51209B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#51209B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51209B

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51209B	#FFFFFF	#000000	##FFFFFF
##51209B	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#3B435D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #51209b;
/* rgb */ color: rgb(81, 32, 155);
/* oklch */ color: oklch(39.4% 0.182 294.5);

Tailwind

colors: {
  custom: {
    50: '#8a62ba',
    500: '#51209b',
    950: '#000000',
  },
}

SCSS

$custom: #51209b;
$custom-light: #8a62ba;
$custom-dark: #000000;

JSON

{
  "hex": "#51209b",
  "rgb": {
    "r": 81,
    "g": 32,
    "b": 155
  },
  "hsl": {
    "h": 263.902,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39416,
    "c": 0.18227,
    "h": 294.5
  },
  "luminance": 0.05149
}

Semantic roles & 50–950 ramp

primary

#51209B

secondary

#96C156

accent

#E93FA5

background

#F8F6FB

surface

#F0EBF6

border

#CBC6D0

text

#0D0512

muted

#7D7A81

Preview Lab

Preview with #51209B

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

Preview Lab → · Contrast checker → · Palette generator →