#A7241B#A7241B

#A7241B is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.169 H 29.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A7241B
RGB	rgb(167, 36, 27)
HSL	hsl(4, 72%, 38%)
HSV	hsv(4, 84%, 65%)
CMYK	cmyk(0%, 78.4%, 83.8%, 34.5%)
CIE-LAB	lab(37.04, 51.80, 38.69)
CIE-LCH	lch(37.04, 64.65, 36.75°)
OKLab	oklab(47.72% 0.1473 0.0818)
OKLCH	oklch(47.72% 0.169 29.1)
XYZ	xyz(16.7671, 9.5591, 1.9989)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7241B #1B9EA7

analogous

#A71B58 #A7241B #A76A1B

triadic

#A7241B #1BA724 #241BA7

tetradic

#A7241B #58A71B #1B9EA7 #6A1BA7

square

#A7241B #58A71B #1B9EA7 #6A1BA7

split-complementary

#A7241B #1BA76A #1B58A7

monochromatic

#3E0D0A #721912 #A7241B #DC2F24 #E46158

Accessibility & contrast

On white

7.21

#A7241B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A7241B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7241B

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7241B	#FFFFFF	#000000	##FFFFFF
##A7241B	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4518

Deuteranopia (green-blind)

#6E6114

Tritanopia (blue-blind)

#B80024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a7241b;
/* rgb */ color: rgb(167, 36, 27);
/* oklch */ color: oklch(47.7% 0.169 29.1);

Tailwind

colors: {
  custom: {
    50: '#cb6b59',
    500: '#a7241b',
    950: '#000000',
  },
}

SCSS

$custom: #a7241b;
$custom-light: #cb6b59;
$custom-dark: #000000;

JSON

{
  "hex": "#a7241b",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 27
  },
  "hsl": {
    "h": 3.857,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47718,
    "c": 0.16852,
    "h": 29.1
  },
  "luminance": 0.09556
}

Semantic roles & 50–950 ramp

primary

#A7241B

secondary

#56C0C8

accent

#E3EF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A7241B

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

Preview Lab → · Contrast checker → · Palette generator →