#971F2B#971F2B

#971F2B is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.5% C 0.155 H 21.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#971F2B
RGB	rgb(151, 31, 43)
HSL	hsl(354, 66%, 36%)
HSV	hsv(354, 79%, 59%)
CMYK	cmyk(0%, 79.5%, 71.5%, 40.8%)
CIE-LAB	lab(33.43, 49.05, 24.43)
CIE-LCH	lch(33.43, 54.80, 26.47°)
OKLab	oklab(44.52% 0.1441 0.0565)
OKLCH	oklch(44.52% 0.155 21.4)
XYZ	xyz(13.6901, 7.7358, 3.0574)
Luminance	0.0773 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F2B #1F978B

analogous

#971F67 #971F2B #974F1F

triadic

#971F2B #2B971F #1F2B97

tetradic

#971F2B #67971F #1F978B #4F1F97

square

#971F2B #67971F #1F978B #4F1F97

split-complementary

#971F2B #1F974F #1F6797

monochromatic

#310A0E #64151D #971F2B #CA2939 #DC5462

Accessibility & contrast

On white

8.25

#971F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#971F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F2B

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F2B	#FFFFFF	#000000	##FFFFFF
##971F2B	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433E2A

Deuteranopia (green-blind)

#615827

Tritanopia (blue-blind)

#A60025

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #971f2b;
/* rgb */ color: rgb(151, 31, 43);
/* oklch */ color: oklch(44.5% 0.155 21.4);

Tailwind

colors: {
  custom: {
    50: '#bd6764',
    500: '#971f2b',
    950: '#000000',
  },
}

SCSS

$custom: #971f2b;
$custom-light: #bd6764;
$custom-dark: #000000;

JSON

{
  "hex": "#971f2b",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 354,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44517,
    "c": 0.15477,
    "h": 21.4
  },
  "luminance": 0.07734
}

Semantic roles & 50–950 ramp

primary

#971F2B

secondary

#52BFB5

accent

#E9D83F

background

#FCF6F5

surface

#F8EBEA

border

#D1C6C6

text

#130705

muted

#827A79

Preview Lab

Preview with #971F2B

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

Preview Lab → · Contrast checker → · Palette generator →