#7C1521#7C1521

#7C1521 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.4% C 0.136 H 21.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#7C1521
RGB	rgb(124, 21, 33)
HSL	hsl(353, 71%, 28%)
HSV	hsv(353, 83%, 49%)
CMYK	cmyk(0%, 83.1%, 73.4%, 51.4%)
CIE-LAB	lab(26.54, 43.30, 21.25)
CIE-LCH	lch(26.54, 48.24, 26.14°)
OKLab	oklab(38.36% 0.1273 0.049)
OKLCH	oklch(38.36% 0.136 21.1)
XYZ	xyz(8.8559, 4.9326, 1.9243)
Luminance	0.0493 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7C1521 #157C70

analogous

#7C1554 #7C1521 #7C3C15

triadic

#7C1521 #217C15 #15217C

tetradic

#7C1521 #547C15 #157C70 #3C157C

square

#7C1521 #547C15 #157C70 #3C157C

split-complementary

#7C1521 #157C3C #15547C

monochromatic

#1A0407 #480C13 #7C1521 #B01E2F #DC3044

Accessibility & contrast

On white

10.57

#7C1521 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#7C1521 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C1521

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7C1521	#FFFFFF	#000000	##FFFFFF
##7C1521	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353121

Deuteranopia (green-blind)

#4E471E

Tritanopia (blue-blind)

#89001B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7c1521;
/* rgb */ color: rgb(124, 21, 33);
/* oklch */ color: oklch(38.4% 0.136 21.1);

Tailwind

colors: {
  custom: {
    50: '#a95e5c',
    500: '#7c1521',
    950: '#000000',
  },
}

SCSS

$custom: #7c1521;
$custom-light: #a95e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#7c1521",
  "rgb": {
    "r": 124,
    "g": 21,
    "b": 33
  },
  "hsl": {
    "h": 353.01,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3836,
    "c": 0.13636,
    "h": 21.1
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary

#7C1521

secondary

#3CB1A4

accent

#EED93A

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7C1521

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

Preview Lab → · Contrast checker → · Palette generator →