#A21E1D#A21E1D

#A21E1D is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.3% C 0.168 H 27.1°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#A21E1D
RGB	rgb(162, 30, 29)
HSL	hsl(0, 70%, 37%)
HSV	hsv(0, 82%, 64%)
CMYK	cmyk(0%, 81.5%, 82.1%, 36.5%)
CIE-LAB	lab(35.40, 52.13, 35.67)
CIE-LCH	lch(35.40, 63.16, 34.39°)
OKLab	oklab(46.33% 0.1493 0.0765)
OKLCH	oklch(46.33% 0.168 27.1)
XYZ	xyz(15.5883, 8.7012, 2.0209)
Luminance	0.0870 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A21E1D #1DA1A2

analogous

#A21D5F #A21E1D #A2601D

triadic

#A21E1D #1DA21E #1E1DA2

tetradic

#A21E1D #5FA21D #1DA1A2 #601DA2

square

#A21E1D #5FA21D #1DA1A2 #601DA2

split-complementary

#A21E1D #1DA260 #1D5FA2

monochromatic

#3A0B0A #6E1414 #A21E1D #D62826 #E15958

Accessibility & contrast

On white

7.66

#A21E1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A21E1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A21E1D

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A21E1D	#FFFFFF	#000000	##FFFFFF
##A21E1D	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49411B

Deuteranopia (green-blind)

#695D16

Tritanopia (blue-blind)

#B30020

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a21e1d;
/* rgb */ color: rgb(162, 30, 29);
/* oklch */ color: oklch(46.3% 0.168 27.1);

Tailwind

colors: {
  custom: {
    50: '#c7685a',
    500: '#a21e1d',
    950: '#000000',
  },
}

SCSS

$custom: #a21e1d;
$custom-light: #c7685a;
$custom-dark: #000000;

JSON

{
  "hex": "#a21e1d",
  "rgb": {
    "r": 162,
    "g": 30,
    "b": 29
  },
  "hsl": {
    "h": 0.451,
    "s": 69.634,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46327,
    "c": 0.16772,
    "h": 27.1
  },
  "luminance": 0.08699
}

Semantic roles & 50–950 ramp

primary

#A21E1D

secondary

#56C4C5

accent

#EBEC3B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A21E1D

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

Preview Lab → · Contrast checker → · Palette generator →