#7A1721#7A1721

#7A1721 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.1% C 0.133 H 21.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#7A1721
RGB	rgb(122, 23, 33)
HSL	hsl(354, 68%, 28%)
HSV	hsv(354, 81%, 48%)
CMYK	cmyk(0%, 81.1%, 73%, 52.2%)
CIE-LAB	lab(26.34, 42.05, 20.90)
CIE-LCH	lch(26.34, 46.96, 26.43°)
OKLab	oklab(38.13% 0.1236 0.0483)
OKLCH	oklch(38.13% 0.133 21.4)
XYZ	xyz(8.6079, 4.8615, 1.9237)
Luminance	0.0486 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7A1721 #177A70

analogous

#7A1752 #7A1721 #7A3E17

triadic

#7A1721 #217A17 #17217A

tetradic

#7A1721 #527A17 #177A70 #3E177A

square

#7A1721 #527A17 #177A70 #3E177A

split-complementary

#7A1721 #177A3E #17527A

monochromatic

#1A0507 #470D13 #7A1721 #AD212F #D93344

Accessibility & contrast

On white

10.65

#7A1721 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#7A1721 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7A1721

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7A1721	#FFFFFF	#000000	##FFFFFF
##7A1721	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353121

Deuteranopia (green-blind)

#4E461E

Tritanopia (blue-blind)

#87001C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #7a1721;
/* rgb */ color: rgb(122, 23, 33);
/* oklch */ color: oklch(38.1% 0.133 21.4);

Tailwind

colors: {
  custom: {
    50: '#a85e5c',
    500: '#7a1721',
    950: '#000000',
  },
}

SCSS

$custom: #7a1721;
$custom-light: #a85e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#7a1721",
  "rgb": {
    "r": 122,
    "g": 23,
    "b": 33
  },
  "hsl": {
    "h": 353.939,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.38132,
    "c": 0.13266,
    "h": 21.4
  },
  "luminance": 0.0486
}

Semantic roles & 50–950 ramp

primary

#7A1721

secondary

#3EAFA4

accent

#EBDA3D

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7A1721

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

Preview Lab → · Contrast checker → · Palette generator →