#971F1F#971F1F

#971F1F is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.3% C 0.156 H 26.4°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#971F1F
RGB	rgb(151, 31, 31)
HSL	hsl(0, 66%, 36%)
HSV	hsv(0, 79%, 59%)
CMYK	cmyk(0%, 79.5%, 79.5%, 40.8%)
CIE-LAB	lab(33.27, 48.53, 31.62)
CIE-LCH	lch(33.27, 57.92, 33.08°)
OKLab	oklab(44.35% 0.1397 0.0693)
OKLCH	oklch(44.35% 0.156 26.4)
XYZ	xyz(13.5014, 7.6604, 2.0638)
Luminance	0.0766 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F1F #1F9797

analogous

#971F5B #971F1F #975B1F

triadic

#971F1F #1F971F #1F1F97

tetradic

#971F1F #5B971F #1F9797 #5B1F97

square

#971F1F #5B971F #1F9797 #5B1F97

split-complementary

#971F1F #1F975B #1F5B97

monochromatic

#310A0A #641515 #971F1F #CA2929 #DC5454

Accessibility & contrast

On white

8.30

#971F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#971F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F1F

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F1F	#FFFFFF	#000000	##FFFFFF
##971F1F	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E1D

Deuteranopia (green-blind)

#62581A

Tritanopia (blue-blind)

#A70021

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971f1f;
/* rgb */ color: rgb(151, 31, 31);
/* oklch */ color: oklch(44.3% 0.156 26.4);

Tailwind

colors: {
  custom: {
    50: '#be665b',
    500: '#971f1f',
    950: '#000000',
  },
}

SCSS

$custom: #971f1f;
$custom-light: #be665b;
$custom-dark: #000000;

JSON

{
  "hex": "#971f1f",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.15595,
    "h": 26.4
  },
  "luminance": 0.07658
}

Semantic roles & 50–950 ramp

primary

#971F1F

secondary

#52BFBF

accent

#E9E93F

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140604

muted

#827A79

Preview Lab

Preview with #971F1F

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

Preview Lab → · Contrast checker → · Palette generator →