#971C21#971C21

#971C21 is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.1% C 0.158 H 24.9°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#971C21
RGB	rgb(151, 28, 33)
HSL	hsl(358, 69%, 35%)
HSV	hsv(358, 81%, 59%)
CMYK	cmyk(0%, 81.5%, 78.1%, 40.8%)
CIE-LAB	lab(32.97, 49.52, 30.10)
CIE-LCH	lch(32.97, 57.95, 31.29°)
OKLab	oklab(44.13% 0.1433 0.0666)
OKLCH	oklch(44.13% 0.158 24.9)
XYZ	xyz(13.4539, 7.5218, 2.1820)
Luminance	0.0752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971C21 #1C9792

analogous

#971C5E #971C21 #97541C

triadic

#971C21 #21971C #1C2197

tetradic

#971C21 #5E971C #1C9792 #541C97

square

#971C21 #5E971C #1C9792 #541C97

split-complementary

#971C21 #1C9754 #1C5E97

monochromatic

#30090A #631216 #971C21 #CB262C #DE4F55

Accessibility & contrast

On white

8.39

#971C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#971C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971C21

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971C21	#FFFFFF	#000000	##FFFFFF
##971C21	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433D20

Deuteranopia (green-blind)

#61571C

Tritanopia (blue-blind)

#A70020

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971c21;
/* rgb */ color: rgb(151, 28, 33);
/* oklch */ color: oklch(44.1% 0.158 24.9);

Tailwind

colors: {
  custom: {
    50: '#be655c',
    500: '#971c21',
    950: '#000000',
  },
}

SCSS

$custom: #971c21;
$custom-light: #be655c;
$custom-dark: #000000;

JSON

{
  "hex": "#971c21",
  "rgb": {
    "r": 151,
    "g": 28,
    "b": 33
  },
  "hsl": {
    "h": 357.561,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.44131,
    "c": 0.15799,
    "h": 24.9
  },
  "luminance": 0.0752
}

Semantic roles & 50–950 ramp

primary

#971C21

secondary

#4EC1BC

accent

#ECE43C

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140604

muted

#827A79

Preview Lab

Preview with #971C21

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

Preview Lab → · Contrast checker → · Palette generator →