#971B31#971B31

#971B31 is a dark, vivid red. Relative luminance 0.076; OKLCH L 44.3% C 0.158 H 17.7°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#971B31
RGB	rgb(151, 27, 49)
HSL	hsl(349, 70%, 35%)
HSV	hsv(349, 82%, 59%)
CMYK	cmyk(0%, 82.1%, 67.5%, 40.8%)
CIE-LAB	lab(33.11, 50.55, 20.19)
CIE-LCH	lch(33.11, 54.44, 21.78°)
OKLab	oklab(44.31% 0.1503 0.0479)
OKLCH	oklch(44.31% 0.158 17.7)
XYZ	xyz(13.7103, 7.5871, 3.6477)
Luminance	0.0759 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971B31 #1B9781

analogous

#971B6F #971B31 #97431B

triadic

#971B31 #31971B #1B3197

tetradic

#971B31 #6F971B #1B9781 #431B97

square

#971B31 #6F971B #1B9781 #431B97

split-complementary

#971B31 #1B9743 #1B6F97

monochromatic

#2F080F #631220 #971B31 #CB2442 #DF4D67

Accessibility & contrast

On white

8.34

#971B31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#971B31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971B31

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971B31	#FFFFFF	#000000	##FFFFFF
##971B31	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413D31

Deuteranopia (green-blind)

#60572D

Tritanopia (blue-blind)

#A60025

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971b31;
/* rgb */ color: rgb(151, 27, 49);
/* oklch */ color: oklch(44.3% 0.158 17.7);

Tailwind

colors: {
  custom: {
    50: '#bd6568',
    500: '#971b31',
    950: '#000000',
  },
}

SCSS

$custom: #971b31;
$custom-light: #bd6568;
$custom-dark: #000000;

JSON

{
  "hex": "#971b31",
  "rgb": {
    "r": 151,
    "g": 27,
    "b": 49
  },
  "hsl": {
    "h": 349.355,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44313,
    "c": 0.15773,
    "h": 17.7
  },
  "luminance": 0.07585
}

Semantic roles & 50–950 ramp

primary

#971B31

secondary

#4CC1AD

accent

#ECCD3B

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #971B31

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

Preview Lab → · Contrast checker → · Palette generator →