#851729#851729

#851729 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.143 H 18.4°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#851729
RGB	rgb(133, 23, 41)
HSL	hsl(350, 71%, 31%)
HSV	hsv(350, 83%, 52%)
CMYK	cmyk(0%, 82.7%, 69.2%, 47.8%)
CIE-LAB	lab(28.80, 45.89, 19.19)
CIE-LCH	lch(28.80, 49.74, 22.69°)
OKLab	oklab(40.42% 0.1361 0.0453)
OKLCH	oklch(40.42% 0.143 18.4)
XYZ	xyz(10.3807, 5.7610, 2.6628)
Luminance	0.0576 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851729 #178573

analogous

#851760 #851729 #853C17

triadic

#851729 #298517 #172985

tetradic

#851729 #608517 #178573 #3C1785

square

#851729 #608517 #178573 #3C1785

split-complementary

#851729 #17853C #176085

monochromatic

#1D0509 #510E19 #851729 #B92039 #DD3A54

Accessibility & contrast

On white

9.76

#851729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#851729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851729

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851729	#FFFFFF	#000000	##FFFFFF
##851729	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383529

Deuteranopia (green-blind)

#544C26

Tritanopia (blue-blind)

#93001F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851729;
/* rgb */ color: rgb(133, 23, 41);
/* oklch */ color: oklch(40.4% 0.143 18.4);

Tailwind

colors: {
  custom: {
    50: '#b06162',
    500: '#851729',
    950: '#000000',
  },
}

SCSS

$custom: #851729;
$custom-light: #b06162;
$custom-dark: #000000;

JSON

{
  "hex": "#851729",
  "rgb": {
    "r": 133,
    "g": 23,
    "b": 41
  },
  "hsl": {
    "h": 350.182,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.14344,
    "h": 18.4
  },
  "luminance": 0.05759
}

Semantic roles & 50–950 ramp

primary

#851729

secondary

#3FB9A5

accent

#EDD03B

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120505

muted

#817A79

Preview Lab

Preview with #851729

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

Preview Lab → · Contrast checker → · Palette generator →