#971F37#971F37

#971F37 is a dark, vivid red. Relative luminance 0.078; OKLCH L 44.7% C 0.155 H 15.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#971F37
RGB	rgb(151, 31, 55)
HSL	hsl(348, 66%, 36%)
HSV	hsv(348, 79%, 59%)
CMYK	cmyk(0%, 79.5%, 63.6%, 40.8%)
CIE-LAB	lab(33.64, 49.73, 17.00)
CIE-LCH	lch(33.64, 52.56, 18.87°)
OKLab	oklab(44.75% 0.1489 0.0412)
OKLCH	oklch(44.75% 0.155 15.5)
XYZ	xyz(13.9435, 7.8372, 4.3922)
Luminance	0.0784 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F37 #1F977F

analogous

#971F73 #971F37 #97431F

triadic

#971F37 #37971F #1F3797

tetradic

#971F37 #73971F #1F977F #431F97

square

#971F37 #73971F #1F977F #431F97

split-complementary

#971F37 #1F9743 #1F7397

monochromatic

#310A12 #641525 #971F37 #CA2949 #DC5470

Accessibility & contrast

On white

8.18

#971F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#971F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F37

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F37	#FFFFFF	#000000	##FFFFFF
##971F37	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423F37

Deuteranopia (green-blind)

#605834

Tritanopia (blue-blind)

#A60029

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #971f37;
/* rgb */ color: rgb(151, 31, 55);
/* oklch */ color: oklch(44.7% 0.155 15.5);

Tailwind

colors: {
  custom: {
    50: '#bd676d',
    500: '#971f37',
    950: '#000000',
  },
}

SCSS

$custom: #971f37;
$custom-light: #bd676d;
$custom-dark: #000000;

JSON

{
  "hex": "#971f37",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 55
  },
  "hsl": {
    "h": 348,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44745,
    "c": 0.15452,
    "h": 15.5
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#971F37

secondary

#52BFAA

accent

#E9C73F

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130707

muted

#827A7A

Preview Lab

Preview with #971F37

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

Preview Lab → · Contrast checker → · Palette generator →