#A02121#A02121

#A02121 is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.2% C 0.163 H 26.4°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#A02121
RGB	rgb(160, 33, 33)
HSL	hsl(0, 66%, 38%)
HSV	hsv(0, 79%, 63%)
CMYK	cmyk(0%, 79.4%, 79.4%, 37.3%)
CIE-LAB	lab(35.35, 50.77, 33.20)
CIE-LCH	lch(35.35, 60.66, 33.18°)
OKLab	oklab(46.23% 0.1461 0.0726)
OKLCH	oklch(46.23% 0.163 26.4)
XYZ	xyz(15.3174, 8.6736, 2.3062)
Luminance	0.0867 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A02121 #21A0A0

analogous

#A02160 #A02121 #A06021

triadic

#A02121 #21A021 #2121A0

tetradic

#A02121 #60A021 #21A0A0 #6021A0

square

#A02121 #60A021 #21A0A0 #6021A0

split-complementary

#A02121 #21A060 #2160A0

monochromatic

#3B0C0C #6D1717 #A02121 #D32B2B #DE5E5E

Accessibility & contrast

On white

7.68

#A02121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#A02121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A02121

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A02121	#FFFFFF	#000000	##FFFFFF
##A02121	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49421F

Deuteranopia (green-blind)

#685D1B

Tritanopia (blue-blind)

#B10023

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a02121;
/* rgb */ color: rgb(160, 33, 33);
/* oklch */ color: oklch(46.2% 0.163 26.4);

Tailwind

colors: {
  custom: {
    50: '#c5695d',
    500: '#a02121',
    950: '#000000',
  },
}

SCSS

$custom: #a02121;
$custom-light: #c5695d;
$custom-dark: #000000;

JSON

{
  "hex": "#a02121",
  "rgb": {
    "r": 160,
    "g": 33,
    "b": 33
  },
  "hsl": {
    "h": 0,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.46227,
    "c": 0.16312,
    "h": 26.4
  },
  "luminance": 0.08671
}

Semantic roles & 50–950 ramp

primary

#A02121

secondary

#5BC2C2

accent

#E9E93F

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A02121

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

Preview Lab → · Contrast checker → · Palette generator →