#7C1B2B#7C1B2B

#7C1B2B is a dark, vivid red. Relative luminance 0.052; OKLCH L 39.1% C 0.131 H 16.9°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX#7C1B2B
RGBrgb(124, 27, 43)
HSLhsl(350, 64%, 30%)
HSVhsv(350, 78%, 49%)
CMYKcmyk(0%, 78.2%, 65.3%, 51.4%)
CIE-LABlab(27.42, 41.92, 15.72)
CIE-LCHlch(27.42, 44.77, 20.55°)
OKLaboklab(39.07% 0.1251 0.0379)
OKLCHoklch(39.07% 0.131 16.9)
XYZxyz(9.1411, 5.2447, 2.8160)
Luminance0.0524 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#7C1B2B #1B7C6C
analogous
#7C1B5C #7C1B2B #7C3C1B
triadic
#7C1B2B #2B7C1B #1B2B7C
tetradic
#7C1B2B #5C7C1B #1B7C6C #3C1B7C
square
#7C1B2B #5C7C1B #1B7C6C #3C1B7C
split-complementary
#7C1B2B #1B7C3C #1B5C7C
monochromatic
#190509 #4A101A #7C1B2B #AE263C #D53D56

Accessibility & contrast

On white

10.25
#7C1B2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#7C1B2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7C1B2B
10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##7C1B2B#FFFFFF#000000##FFFFFF
##7C1B2B1.0010.252.0510.25
#FFFFFF10.251.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36342B
Deuteranopia (green-blind)
#4F4828
Tritanopia (blue-blind)
#880022
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #7c1b2b;
/* rgb */ color: rgb(124, 27, 43);
/* oklch */ color: oklch(39.1% 0.131 16.9);
Tailwind
colors: {
  custom: {
    50: '#a86164',
    500: '#7c1b2b',
    950: '#000000',
  },
}
SCSS
$custom: #7c1b2b;
$custom-light: #a86164;
$custom-dark: #000000;
JSON
{
  "hex": "#7c1b2b",
  "rgb": {
    "r": 124,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 350.103,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3907,
    "c": 0.13076,
    "h": 16.9
  },
  "luminance": 0.05243
}

Semantic roles & 50–950 ramp

primary
#7C1B2B
secondary
#43B09E
accent
#E7CC41
background
#FBF6F5
surface
#F6EBEA
border
#D0C6C6
text
#110505
muted
#807A79

Preview Lab

Preview with #7C1B2B

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

Preview Lab → · Contrast checker → · Palette generator →

#7C1B2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva