#971F1B#971F1B

#971F1B is a dark, vivid red. Relative luminance 0.076; OKLCH L 44.3% C 0.156 H 27.8°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#971F1B
RGB	rgb(151, 31, 27)
HSL	hsl(2, 70%, 35%)
HSV	hsv(2, 82%, 59%)
CMYK	cmyk(0%, 79.5%, 82.1%, 40.8%)
CIE-LAB	lab(33.22, 48.40, 33.89)
CIE-LCH	lch(33.22, 59.08, 35.00°)
OKLab	oklab(44.3% 0.1384 0.0729)
OKLCH	oklch(44.3% 0.156 27.8)
XYZ	xyz(13.4520, 7.6406, 1.8032)
Luminance	0.0764 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F1B #1B9397

analogous

#971B55 #971F1B #975D1B

triadic

#971F1B #1B971F #1F1B97

tetradic

#971F1B #55971B #1B9397 #5D1B97

square

#971F1B #55971B #1B9397 #5D1B97

split-complementary

#971F1B #1B975D #1B5597

monochromatic

#2F0A08 #631412 #971F1B #CB2A24 #DF524D

Accessibility & contrast

On white

8.31

#971F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#971F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F1B

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F1B	#FFFFFF	#000000	##FFFFFF
##971F1B	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D19

Deuteranopia (green-blind)

#625715

Tritanopia (blue-blind)

#A70020

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971f1b;
/* rgb */ color: rgb(151, 31, 27);
/* oklch */ color: oklch(44.3% 0.156 27.8);

Tailwind

colors: {
  custom: {
    50: '#bf6658',
    500: '#971f1b',
    950: '#000000',
  },
}

SCSS

$custom: #971f1b;
$custom-light: #bf6658;
$custom-dark: #000000;

JSON

{
  "hex": "#971f1b",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 1.935,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.443,
    "c": 0.15646,
    "h": 27.8
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#971F1B

secondary

#4CBEC1

accent

#E7EC3B

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140603

muted

#827A78

Preview Lab

Preview with #971F1B

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

Preview Lab → · Contrast checker → · Palette generator →