#A61E21#A61E21

#A61E21 is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.1% C 0.171 H 26.0°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#A61E21
RGB	rgb(166, 30, 33)
HSL	hsl(359, 69%, 38%)
HSV	hsv(359, 82%, 65%)
CMYK	cmyk(0%, 81.9%, 80.1%, 34.9%)
CIE-LAB	lab(36.27, 53.44, 34.53)
CIE-LCH	lch(36.27, 63.63, 32.87°)
OKLab	oklab(47.13% 0.1538 0.075)
OKLCH	oklch(47.13% 0.171 26)
XYZ	xyz(16.4667, 9.1480, 2.3373)
Luminance	0.0915 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A61E21 #1EA6A3

analogous

#A61E65 #A61E21 #A65F1E

triadic

#A61E21 #21A61E #1E21A6

tetradic

#A61E21 #65A61E #1EA6A3 #5F1EA6

square

#A61E21 #65A61E #1EA6A3 #5F1EA6

split-complementary

#A61E21 #1EA65F #1E65A6

monochromatic

#3E0B0C #721517 #A61E21 #D8292D #E25D60

Accessibility & contrast

On white

7.42

#A61E21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#A61E21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A61E21

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A61E21	#FFFFFF	#000000	##FFFFFF
##A61E21	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A431F

Deuteranopia (green-blind)

#6B601B

Tritanopia (blue-blind)

#B70021

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a61e21;
/* rgb */ color: rgb(166, 30, 33);
/* oklch */ color: oklch(47.1% 0.171 26.0);

Tailwind

colors: {
  custom: {
    50: '#ca685d',
    500: '#a61e21',
    950: '#000000',
  },
}

SCSS

$custom: #a61e21;
$custom-light: #ca685d;
$custom-dark: #000000;

JSON

{
  "hex": "#a61e21",
  "rgb": {
    "r": 166,
    "g": 30,
    "b": 33
  },
  "hsl": {
    "h": 358.676,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47127,
    "c": 0.17111,
    "h": 26
  },
  "luminance": 0.09145
}

Semantic roles & 50–950 ramp

primary

#A61E21

secondary

#5AC6C3

accent

#ECE83C

background

#FDF6F5

surface

#FBEBE9

border

#D4C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A61E21

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

Preview Lab → · Contrast checker → · Palette generator →