#971F3B#971F3B

#971F3B is a dark, vivid red. Relative luminance 0.079; OKLCH L 44.8% C 0.155 H 13.4°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#971F3B
RGB	rgb(151, 31, 59)
HSL	hsl(346, 66%, 36%)
HSV	hsv(346, 79%, 59%)
CMYK	cmyk(0%, 79.5%, 60.9%, 40.8%)
CIE-LAB	lab(33.73, 50.00, 14.51)
CIE-LCH	lch(33.73, 52.06, 16.18°)
OKLab	oklab(44.83% 0.1506 0.0357)
OKLCH	oklch(44.83% 0.155 13.4)
XYZ	xyz(14.0433, 7.8771, 4.9178)
Luminance	0.0788 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971F3B #1F977B

analogous

#971F77 #971F3B #973F1F

triadic

#971F3B #3B971F #1F3B97

tetradic

#971F3B #77971F #1F977B #3F1F97

square

#971F3B #77971F #1F977B #3F1F97

split-complementary

#971F3B #1F973F #1F7797

monochromatic

#310A13 #641527 #971F3B #CA294F #DC5474

Accessibility & contrast

On white

8.16

#971F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#971F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971F3B

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971F3B	#FFFFFF	#000000	##FFFFFF
##971F3B	1.00	8.16	2.58	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41403B

Deuteranopia (green-blind)

#5F5838

Tritanopia (blue-blind)

#A6002B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #971f3b;
/* rgb */ color: rgb(151, 31, 59);
/* oklch */ color: oklch(44.8% 0.155 13.4);

Tailwind

colors: {
  custom: {
    50: '#bc6770',
    500: '#971f3b',
    950: '#000000',
  },
}

SCSS

$custom: #971f3b;
$custom-light: #bc6770;
$custom-dark: #000000;

JSON

{
  "hex": "#971f3b",
  "rgb": {
    "r": 151,
    "g": 31,
    "b": 59
  },
  "hsl": {
    "h": 346,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44834,
    "c": 0.15473,
    "h": 13.4
  },
  "luminance": 0.07875
}

Semantic roles & 50–950 ramp

primary

#971F3B

secondary

#52BFA6

accent

#E9C13F

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#130707

muted

#827A7A

Preview Lab

Preview with #971F3B

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

Preview Lab → · Contrast checker → · Palette generator →