#851719#851719

#851719 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.145 H 26.0°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#851719
RGB	rgb(133, 23, 25)
HSL	hsl(359, 71%, 31%)
HSV	hsv(359, 83%, 52%)
CMYK	cmyk(0%, 82.7%, 81.2%, 47.8%)
CIE-LAB	lab(28.57, 45.16, 29.12)
CIE-LCH	lch(28.57, 53.74, 32.81°)
OKLab	oklab(40.17% 0.13 0.0634)
OKLCH	oklch(40.17% 0.145 26)
XYZ	xyz(10.1560, 5.6712, 1.4794)
Luminance	0.0567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851719 #178583

analogous

#851750 #851719 #854C17

triadic

#851719 #198517 #171985

tetradic

#851719 #508517 #178583 #4C1785

square

#851719 #508517 #178583 #4C1785

split-complementary

#851719 #17854C #175085

monochromatic

#1D0505 #510E0F #851719 #B92023 #DD3A3D

Accessibility & contrast

On white

9.84

#851719 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#851719 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851719

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851719	#FFFFFF	#000000	##FFFFFF
##851719	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3418

Deuteranopia (green-blind)

#554C14

Tritanopia (blue-blind)

#930019

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #851719;
/* rgb */ color: rgb(133, 23, 25);
/* oklch */ color: oklch(40.2% 0.145 26.0);

Tailwind

colors: {
  custom: {
    50: '#b16056',
    500: '#851719',
    950: '#000000',
  },
}

SCSS

$custom: #851719;
$custom-light: #b16056;
$custom-dark: #000000;

JSON

{
  "hex": "#851719",
  "rgb": {
    "r": 133,
    "g": 23,
    "b": 25
  },
  "hsl": {
    "h": 358.909,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40168,
    "c": 0.14468,
    "h": 26
  },
  "luminance": 0.0567
}

Semantic roles & 50–950 ramp

primary

#851719

secondary

#3FB9B7

accent

#EDEA3B

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #851719

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

Preview Lab → · Contrast checker → · Palette generator →