#7B2121#7B2121

#7B2121 is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.3% C 0.124 H 24.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#7B2121
RGB	rgb(123, 33, 33)
HSL	hsl(0, 58%, 31%)
HSV	hsv(0, 73%, 48%)
CMYK	cmyk(0%, 73.2%, 73.2%, 51.8%)
CIE-LAB	lab(27.87, 38.69, 22.79)
CIE-LCH	lch(27.87, 44.90, 30.50°)
OKLab	oklab(39.31% 0.1127 0.0524)
OKLCH	oklch(39.31% 0.124 24.9)
XYZ	xyz(8.9877, 5.4098, 2.0095)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B2121 #217B7B

analogous

#7B214E #7B2121 #7B4E21

triadic

#7B2121 #217B21 #21217B

tetradic

#7B2121 #4E7B21 #217B7B #4E217B

square

#7B2121 #4E7B21 #217B7B #4E217B

split-complementary

#7B2121 #217B4E #214E7B

monochromatic

#1A0707 #4B1414 #7B2121 #AB2E2E #CE4848

Accessibility & contrast

On white

10.09

#7B2121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#7B2121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B2121

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B2121	#FFFFFF	#000000	##FFFFFF
##7B2121	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3520

Deuteranopia (green-blind)

#51491E

Tritanopia (blue-blind)

#880322

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #7b2121;
/* rgb */ color: rgb(123, 33, 33);
/* oklch */ color: oklch(39.3% 0.124 24.9);

Tailwind

colors: {
  custom: {
    50: '#a8635c',
    500: '#7b2121',
    950: '#000000',
  },
}

SCSS

$custom: #7b2121;
$custom-light: #a8635c;
$custom-dark: #000000;

JSON

{
  "hex": "#7b2121",
  "rgb": {
    "r": 123,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39312,
    "c": 0.12432,
    "h": 24.9
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#7B2121

secondary

#4AAEAE

accent

#E1E147

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#110604

muted

#807A79

Preview Lab

Preview with #7B2121

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

Preview Lab → · Contrast checker → · Palette generator →