#971B1C#971B1C

#971B1C is a dark, vivid red. Relative luminance 0.074; OKLCH L 44.0% C 0.159 H 26.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#971B1C
RGB	rgb(151, 27, 28)
HSL	hsl(360, 70%, 35%)
HSV	hsv(360, 82%, 59%)
CMYK	cmyk(0%, 82.1%, 81.5%, 40.8%)
CIE-LAB	lab(32.81, 49.63, 32.90)
CIE-LCH	lch(32.81, 59.54, 33.54°)
OKLab	oklab(44% 0.1425 0.0711)
OKLCH	oklch(44% 0.159 26.5)
XYZ	xyz(13.3657, 7.4492, 1.8325)
Luminance	0.0745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971B1C #1B9796

analogous

#971B5A #971B1C #97581B

triadic

#971B1C #1C971B #1B1C97

tetradic

#971B1C #5A971B #1B9796 #581B97

square

#971B1C #5A971B #1B9796 #581B97

split-complementary

#971B1C #1B9758 #1B5A97

monochromatic

#2F0809 #631212 #971B1C #CB2426 #DF4D4E

Accessibility & contrast

On white

8.44

#971B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#971B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971B1C

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971B1C	#FFFFFF	#000000	##FFFFFF
##971B1C	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C1A

Deuteranopia (green-blind)

#615716

Tritanopia (blue-blind)

#A7001D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #971b1c;
/* rgb */ color: rgb(151, 27, 28);
/* oklch */ color: oklch(44.0% 0.159 26.5);

Tailwind

colors: {
  custom: {
    50: '#bf6559',
    500: '#971b1c',
    950: '#000000',
  },
}

SCSS

$custom: #971b1c;
$custom-light: #bf6559;
$custom-dark: #000000;

JSON

{
  "hex": "#971b1c",
  "rgb": {
    "r": 151,
    "g": 27,
    "b": 28
  },
  "hsl": {
    "h": 359.516,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.43996,
    "c": 0.15926,
    "h": 26.5
  },
  "luminance": 0.07447
}

Semantic roles & 50–950 ramp

primary

#971B1C

secondary

#4CC1C1

accent

#ECEB3B

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140603

muted

#827A78

Preview Lab

Preview with #971B1C

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

Preview Lab → · Contrast checker → · Palette generator →