#971C37#971C37

#971C37 is a dark, vivid red. Relative luminance 0.077; OKLCH L 44.5% C 0.157 H 14.9°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#971C37
RGB	rgb(151, 28, 55)
HSL	hsl(347, 69%, 35%)
HSV	hsv(347, 81%, 59%)
CMYK	cmyk(0%, 81.5%, 63.6%, 40.8%)
CIE-LAB	lab(33.32, 50.63, 16.58)
CIE-LCH	lch(33.32, 53.27, 18.13°)
OKLab	oklab(44.51% 0.1518 0.0403)
OKLCH	oklch(44.51% 0.157 14.9)
XYZ	xyz(13.8688, 7.6878, 4.3673)
Luminance	0.0769 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971C37 #1C977C

analogous

#971C75 #971C37 #973E1C

triadic

#971C37 #37971C #1C3797

tetradic

#971C37 #75971C #1C977C #3E1C97

square

#971C37 #75971C #1C977C #3E1C97

split-complementary

#971C37 #1C973E #1C7597

monochromatic

#300911 #631224 #971C37 #CB264A #DE4F6E

Accessibility & contrast

On white

8.28

#971C37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#971C37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971C37

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971C37	#FFFFFF	#000000	##FFFFFF
##971C37	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)

#403E37

Deuteranopia (green-blind)

#5F5734

Tritanopia (blue-blind)

#A60028

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971c37;
/* rgb */ color: rgb(151, 28, 55);
/* oklch */ color: oklch(44.5% 0.157 14.9);

Tailwind

colors: {
  custom: {
    50: '#bd666d',
    500: '#971c37',
    950: '#000000',
  },
}

SCSS

$custom: #971c37;
$custom-light: #bd666d;
$custom-dark: #000000;

JSON

{
  "hex": "#971c37",
  "rgb": {
    "r": 151,
    "g": 28,
    "b": 55
  },
  "hsl": {
    "h": 346.829,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4451,
    "c": 0.15706,
    "h": 14.9
  },
  "luminance": 0.07686
}

Semantic roles & 50–950 ramp

primary

#971C37

secondary

#4EC1A8

accent

#ECC53C

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130607

muted

#827A7A

Preview Lab

Preview with #971C37

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

Preview Lab → · Contrast checker → · Palette generator →