#51437B#51437B

#51437B is a dark, moderate violet. Relative luminance 0.072; OKLCH L 42.4% C 0.092 H 293.6°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#51437B
RGB	rgb(81, 67, 123)
HSL	hsl(255, 29%, 37%)
HSV	hsv(255, 46%, 48%)
CMYK	cmyk(34.1%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(32.24, 19.74, -29.85)
CIE-LCH	lch(32.24, 35.78, 303.48°)
OKLab	oklab(42.38% 0.0367 -0.0838)
OKLCH	oklch(42.38% 0.092 293.6)
XYZ	xyz(8.9747, 7.1935, 19.6507)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51437B #6D7B43

analogous

#43517B #51437B #6D437B

triadic

#51437B #7B5143 #437B51

tetradic

#51437B #7B4351 #6D7B43 #437B6D

square

#51437B #7B4351 #6D7B43 #437B6D

split-complementary

#51437B #7B6D43 #517B43

monochromatic

#1D182C #372D53 #51437B #6B59A3 #8E7FB9

Accessibility & contrast

On white

8.61

#51437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#51437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51437B

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51437B	#FFFFFF	#000000	##FFFFFF
##51437B	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7D

Deuteranopia (green-blind)

#334B7A

Tritanopia (blue-blind)

#474D59

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #51437b;
/* rgb */ color: rgb(81, 67, 123);
/* oklch */ color: oklch(42.4% 0.092 293.6);

Tailwind

colors: {
  custom: {
    50: '#8477a1',
    500: '#51437b',
    950: '#000000',
  },
}

SCSS

$custom: #51437b;
$custom-light: #8477a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51437b",
  "rgb": {
    "r": 81,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 255,
    "s": 29.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42379,
    "c": 0.09151,
    "h": 293.6
  },
  "luminance": 0.07194
}

Semantic roles & 50–950 ramp

primary

#51437B

secondary

#99A475

accent

#C662AD

background

#F8F7F9

surface

#EFEDF2

border

#CAC8CC

text

#0B080F

muted

#7C7B7E

Preview Lab

Preview with #51437B

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

Preview Lab → · Contrast checker → · Palette generator →