#971B1F#971B1F

#971B1F is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.0% C 0.159 H 25.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#971B1F
RGB	rgb(151, 27, 31)
HSL	hsl(358, 70%, 35%)
HSV	hsv(358, 82%, 59%)
CMYK	cmyk(0%, 82.1%, 79.5%, 40.8%)
CIE-LAB	lab(32.84, 49.73, 31.17)
CIE-LCH	lch(32.84, 58.69, 32.08°)
OKLab	oklab(44.03% 0.1435 0.0683)
OKLCH	oklch(44.03% 0.159 25.5)
XYZ	xyz(13.4034, 7.4643, 2.0311)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971B1F #1B9793

analogous

#971B5D #971B1F #97551B

triadic

#971B1F #1F971B #1B1F97

tetradic

#971B1F #5D971B #1B9793 #551B97

square

#971B1F #5D971B #1B9793 #551B97

split-complementary

#971B1F #1B9755 #1B5D97

monochromatic

#2F080A #631214 #971B1F #CB242A #DF4D52

Accessibility & contrast

On white

8.43

#971B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#971B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971B1F

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971B1F	#FFFFFF	#000000	##FFFFFF
##971B1F	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C1E

Deuteranopia (green-blind)

#61571A

Tritanopia (blue-blind)

#A7001E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #971b1f;
/* rgb */ color: rgb(151, 27, 31);
/* oklch */ color: oklch(44.0% 0.159 25.5);

Tailwind

colors: {
  custom: {
    50: '#be655b',
    500: '#971b1f',
    950: '#000000',
  },
}

SCSS

$custom: #971b1f;
$custom-light: #be655b;
$custom-dark: #000000;

JSON

{
  "hex": "#971b1f",
  "rgb": {
    "r": 151,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 358.065,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4403,
    "c": 0.15892,
    "h": 25.5
  },
  "luminance": 0.07462
}

Semantic roles & 50–950 ramp

primary

#971B1F

secondary

#4CC1BE

accent

#ECE73B

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140604

muted

#827A79

Preview Lab

Preview with #971B1F

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

Preview Lab → · Contrast checker → · Palette generator →