#A71F25#A71F25

#A71F25 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.171 H 24.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#A71F25
RGB	rgb(167, 31, 37)
HSL	hsl(357, 69%, 39%)
HSV	hsv(357, 81%, 65%)
CMYK	cmyk(0%, 81.4%, 77.8%, 34.5%)
CIE-LAB	lab(36.62, 53.60, 32.62)
CIE-LCH	lch(36.62, 62.75, 31.32°)
OKLab	oklab(47.44% 0.1551 0.072)
OKLCH	oklch(47.44% 0.171 24.9)
XYZ	xyz(16.7623, 9.3317, 2.6685)
Luminance	0.0933 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A71F25 #1FA7A1

analogous

#A71F69 #A71F25 #A75D1F

triadic

#A71F25 #25A71F #1F25A7

tetradic

#A71F25 #69A71F #1FA7A1 #5D1FA7

square

#A71F25 #69A71F #1FA7A1 #5D1FA7

split-complementary

#A71F25 #1FA75D #1F69A7

monochromatic

#400C0E #73151A #A71F25 #D82B33 #E15F65

Accessibility & contrast

On white

7.33

#A71F25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A71F25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A71F25

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A71F25	#FFFFFF	#000000	##FFFFFF
##A71F25	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4324

Deuteranopia (green-blind)

#6C611F

Tritanopia (blue-blind)

#B80023

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a71f25;
/* rgb */ color: rgb(167, 31, 37);
/* oklch */ color: oklch(47.4% 0.171 24.9);

Tailwind

colors: {
  custom: {
    50: '#ca6960',
    500: '#a71f25',
    950: '#000000',
  },
}

SCSS

$custom: #a71f25;
$custom-light: #ca6960;
$custom-dark: #000000;

JSON

{
  "hex": "#a71f25",
  "rgb": {
    "r": 167,
    "g": 31,
    "b": 37
  },
  "hsl": {
    "h": 357.353,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47435,
    "c": 0.17095,
    "h": 24.9
  },
  "luminance": 0.09329
}

Semantic roles & 50–950 ramp

primary

#A71F25

secondary

#5CC6C1

accent

#ECE43C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150705

muted

#837A79

Preview Lab

Preview with #A71F25

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

Preview Lab → · Contrast checker → · Palette generator →