#971B33#971B33

#971B33 is a dark, vivid red. Relative luminance 0.076; OKLCH L 44.4% C 0.158 H 16.7°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#971B33
RGB	rgb(151, 27, 51)
HSL	hsl(348, 70%, 35%)
HSV	hsv(348, 82%, 59%)
CMYK	cmyk(0%, 82.1%, 66.2%, 40.8%)
CIE-LAB	lab(33.14, 50.67, 18.95)
CIE-LCH	lch(33.14, 54.09, 20.50°)
OKLab	oklab(44.35% 0.1511 0.0453)
OKLCH	oklch(44.35% 0.158 16.7)
XYZ	xyz(13.7535, 7.6043, 3.8749)
Luminance	0.0760 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#971B33 #1B977F

analogous

#971B71 #971B33 #97411B

triadic

#971B33 #33971B #1B3397

tetradic

#971B33 #71971B #1B977F #411B97

square

#971B33 #71971B #1B977F #411B97

split-complementary

#971B33 #1B9741 #1B7197

monochromatic

#2F0810 #631221 #971B33 #CB2445 #DF4D69

Accessibility & contrast

On white

8.33

#971B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#971B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #971B33

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##971B33	#FFFFFF	#000000	##FFFFFF
##971B33	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403D33

Deuteranopia (green-blind)

#5F572F

Tritanopia (blue-blind)

#A60026

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #971b33;
/* rgb */ color: rgb(151, 27, 51);
/* oklch */ color: oklch(44.4% 0.158 16.7);

Tailwind

colors: {
  custom: {
    50: '#bd656a',
    500: '#971b33',
    950: '#000000',
  },
}

SCSS

$custom: #971b33;
$custom-light: #bd656a;
$custom-dark: #000000;

JSON

{
  "hex": "#971b33",
  "rgb": {
    "r": 151,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 348.387,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.44352,
    "c": 0.15773,
    "h": 16.7
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary

#971B33

secondary

#4CC1AB

accent

#ECCA3B

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #971B33

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

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