#971D1B#971D1B

#971D1B is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.1% C 0.158 H 27.3°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#971D1B
RGB	rgb(151, 29, 27)
HSL	hsl(1, 70%, 35%)
HSV	hsv(1, 82%, 59%)
CMYK	cmyk(0%, 80.8%, 82.1%, 40.8%)
CIE-LAB	lab(33.00, 49.01, 33.67)
CIE-LCH	lch(33.00, 59.46, 34.49°)
OKLab	oklab(44.14% 0.1404 0.0724)
OKLCH	oklch(44.14% 0.158 27.3)
XYZ	xyz(13.4013, 7.5393, 1.7863)
Luminance	0.0754 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971D1B #1B9597

analogous

#971B57 #971D1B #975B1B

triadic

#971D1B #1B971D #1D1B97

tetradic

#971D1B #57971B #1B9597 #5B1B97

square

#971D1B #57971B #1B9597 #5B1B97

split-complementary

#971D1B #1B975B #1B5797

monochromatic

#2F0908 #631312 #971D1B #CB2724 #DF504D

Accessibility & contrast

On white

8.38

#971D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#971D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971D1B

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971D1B	#FFFFFF	#000000	##FFFFFF
##971D1B	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D19

Deuteranopia (green-blind)

#625715

Tritanopia (blue-blind)

#A7001E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971d1b;
/* rgb */ color: rgb(151, 29, 27);
/* oklch */ color: oklch(44.1% 0.158 27.3);

Tailwind

colors: {
  custom: {
    50: '#bf6558',
    500: '#971d1b',
    950: '#000000',
  },
}

SCSS

$custom: #971d1b;
$custom-light: #bf6558;
$custom-dark: #000000;

JSON

{
  "hex": "#971d1b",
  "rgb": {
    "r": 151,
    "g": 29,
    "b": 27
  },
  "hsl": {
    "h": 0.968,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44138,
    "c": 0.15795,
    "h": 27.3
  },
  "luminance": 0.07537
}

Semantic roles & 50–950 ramp

primary

#971D1B

secondary

#4CC0C1

accent

#EAEC3B

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140603

muted

#827A78

Preview Lab

Preview with #971D1B

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

Preview Lab → · Contrast checker → · Palette generator →