#971F23#971F23

#971F23 is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.4% C 0.155 H 24.8°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#971F23
RGB	rgb(151, 31, 35)
HSL	hsl(358, 66%, 36%)
HSV	hsv(358, 79%, 59%)
CMYK	cmyk(0%, 79.5%, 76.8%, 40.8%)
CIE-LAB	lab(33.31, 48.69, 29.27)
CIE-LCH	lch(33.31, 56.81, 31.01°)
OKLab	oklab(44.4% 0.1411 0.0653)
OKLCH	oklch(44.4% 0.155 24.8)
XYZ	xyz(13.5575, 7.6828, 2.3589)
Luminance	0.0768 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F23 #1F9793

analogous

#971F5F #971F23 #97571F

triadic

#971F23 #23971F #1F2397

tetradic

#971F23 #5F971F #1F9793 #571F97

square

#971F23 #5F971F #1F9793 #571F97

split-complementary

#971F23 #1F9757 #1F5F97

monochromatic

#310A0B #641517 #971F23 #CA292F #DC5459

Accessibility & contrast

On white

8.28

#971F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#971F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F23

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F23	#FFFFFF	#000000	##FFFFFF
##971F23	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443E22

Deuteranopia (green-blind)

#62581E

Tritanopia (blue-blind)

#A70022

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971f23;
/* rgb */ color: rgb(151, 31, 35);
/* oklch */ color: oklch(44.4% 0.155 24.8);

Tailwind

colors: {
  custom: {
    50: '#be665e',
    500: '#971f23',
    950: '#000000',
  },
}

SCSS

$custom: #971f23;
$custom-light: #be665e;
$custom-dark: #000000;

JSON

{
  "hex": "#971f23",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 358,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44396,
    "c": 0.15549,
    "h": 24.8
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary

#971F23

secondary

#52BFBC

accent

#E9E33F

background

#FCF6F5

surface

#F9EBE9

border

#D2C6C5

text

#140604

muted

#827A79

Preview Lab

Preview with #971F23

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

Preview Lab → · Contrast checker → · Palette generator →