#851831#851831

#851831 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.143 H 14.1°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#851831
RGB	rgb(133, 24, 49)
HSL	hsl(346, 69%, 31%)
HSV	hsv(346, 82%, 52%)
CMYK	cmyk(0%, 82%, 63.2%, 47.8%)
CIE-LAB	lab(29.06, 46.09, 14.22)
CIE-LCH	lch(29.06, 48.23, 17.15°)
OKLab	oklab(40.66% 0.1385 0.0348)
OKLCH	oklch(40.66% 0.143 14.1)
XYZ	xyz(10.5550, 5.8632, 3.4811)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851831 #18856C

analogous

#851867 #851831 #853618

triadic

#851831 #318518 #183185

tetradic

#851831 #678518 #18856C #361885

square

#851831 #678518 #18856C #361885

split-complementary

#851831 #188536 #186785

monochromatic

#1D050B #510F1E #851831 #B92144 #DC3C60

Accessibility & contrast

On white

9.67

#851831 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#851831 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851831

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851831	#FFFFFF	#000000	##FFFFFF
##851831	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383631

Deuteranopia (green-blind)

#534D2E

Tritanopia (blue-blind)

#920023

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851831;
/* rgb */ color: rgb(133, 24, 49);
/* oklch */ color: oklch(40.7% 0.143 14.1);

Tailwind

colors: {
  custom: {
    50: '#af6168',
    500: '#851831',
    950: '#000000',
  },
}

SCSS

$custom: #851831;
$custom-light: #af6168;
$custom-dark: #000000;

JSON

{
  "hex": "#851831",
  "rgb": {
    "r": 133,
    "g": 24,
    "b": 49
  },
  "hsl": {
    "h": 346.239,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40662,
    "c": 0.14278,
    "h": 14.1
  },
  "luminance": 0.05862
}

Semantic roles & 50–950 ramp

primary

#851831

secondary

#40B99D

accent

#ECC43C

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120506

muted

#817A7A

Preview Lab

Preview with #851831

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

Preview Lab → · Contrast checker → · Palette generator →