#971B1D#971B1D

#971B1D is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.0% C 0.159 H 26.2°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#971B1D
RGB	rgb(151, 27, 29)
HSL	hsl(359, 70%, 35%)
HSV	hsv(359, 82%, 59%)
CMYK	cmyk(0%, 82.1%, 80.8%, 40.8%)
CIE-LAB	lab(32.82, 49.66, 32.33)
CIE-LCH	lch(32.82, 59.26, 33.06°)
OKLab	oklab(44.01% 0.1428 0.0702)
OKLCH	oklch(44.01% 0.159 26.2)
XYZ	xyz(13.3778, 7.4541, 1.8965)
Luminance	0.0745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971B1D #1B9795

analogous

#971B5B #971B1D #97571B

triadic

#971B1D #1D971B #1B1D97

tetradic

#971B1D #5B971B #1B9795 #571B97

square

#971B1D #5B971B #1B9795 #571B97

split-complementary

#971B1D #1B9757 #1B5B97

monochromatic

#2F0809 #631213 #971B1D #CB2427 #DF4D50

Accessibility & contrast

On white

8.43

#971B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#971B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971B1D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971B1D	#FFFFFF	#000000	##FFFFFF
##971B1D	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)

#433C1B

Deuteranopia (green-blind)

#615717

Tritanopia (blue-blind)

#A7001E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #971b1d;
/* rgb */ color: rgb(151, 27, 29);
/* oklch */ color: oklch(44.0% 0.159 26.2);

Tailwind

colors: {
  custom: {
    50: '#bf655a',
    500: '#971b1d',
    950: '#000000',
  },
}

SCSS

$custom: #971b1d;
$custom-light: #bf655a;
$custom-dark: #000000;

JSON

{
  "hex": "#971b1d",
  "rgb": {
    "r": 151,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 359.032,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44007,
    "c": 0.15915,
    "h": 26.2
  },
  "luminance": 0.07452
}

Semantic roles & 50–950 ramp

primary

#971B1D

secondary

#4CC1C0

accent

#ECEA3B

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140603

muted

#827A78

Preview Lab

Preview with #971B1D

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

Preview Lab → · Contrast checker → · Palette generator →