#A6291D#A6291D

#A6291D is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.163 H 29.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A6291D
RGB	rgb(166, 41, 29)
HSL	hsl(5, 70%, 38%)
HSV	hsv(5, 83%, 65%)
CMYK	cmyk(0%, 75.3%, 82.5%, 34.9%)
CIE-LAB	lab(37.45, 49.89, 37.94)
CIE-LCH	lch(37.45, 62.68, 37.26°)
OKLab	oklab(48% 0.1418 0.0811)
OKLCH	oklch(48% 0.163 29.8)
XYZ	xyz(16.7426, 9.7842, 2.1691)
Luminance	0.0978 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6291D #1D9AA6

analogous

#A61D56 #A6291D #A66D1D

triadic

#A6291D #1DA629 #291DA6

tetradic

#A6291D #56A61D #1D9AA6 #6D1DA6

square

#A6291D #56A61D #1D9AA6 #6D1DA6

split-complementary

#A6291D #1DA66D #1D56A6

monochromatic

#3E0F0B #721C14 #A6291D #D93727 #E2675B

Accessibility & contrast

On white

7.10

#A6291D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A6291D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6291D

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6291D	#FFFFFF	#000000	##FFFFFF
##A6291D	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F471A

Deuteranopia (green-blind)

#6E6217

Tritanopia (blue-blind)

#B70028

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a6291d;
/* rgb */ color: rgb(166, 41, 29);
/* oklch */ color: oklch(48.0% 0.163 29.8);

Tailwind

colors: {
  custom: {
    50: '#ca6d5b',
    500: '#a6291d',
    950: '#000000',
  },
}

SCSS

$custom: #a6291d;
$custom-light: #ca6d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6291d",
  "rgb": {
    "r": 166,
    "g": 41,
    "b": 29
  },
  "hsl": {
    "h": 5.255,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47996,
    "c": 0.16334,
    "h": 29.8
  },
  "luminance": 0.09782
}

Semantic roles & 50–950 ramp

primary

#A6291D

secondary

#59BDC6

accent

#DDED3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6291D

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

Preview Lab → · Contrast checker → · Palette generator →