#A7351B#A7351B

#A7351B is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.154 H 34.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A7351B
RGB	rgb(167, 53, 27)
HSL	hsl(11, 72%, 38%)
HSV	hsv(11, 84%, 65%)
CMYK	cmyk(0%, 68.3%, 83.8%, 34.5%)
CIE-LAB	lab(39.32, 45.53, 40.79)
CIE-LCH	lch(39.32, 61.13, 41.86°)
OKLab	oklab(49.42% 0.1278 0.0866)
OKLCH	oklch(49.42% 0.154 34.1)
XYZ	xyz(17.4093, 10.8434, 2.2130)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7351B #1B8DA7

analogous

#A71B47 #A7351B #A77B1B

triadic

#A7351B #1BA735 #351BA7

tetradic

#A7351B #47A71B #1B8DA7 #7B1BA7

square

#A7351B #47A71B #1B8DA7 #7B1BA7

split-complementary

#A7351B #1BA77B #1B47A7

monochromatic

#3E140A #722412 #A7351B #DC4624 #E47258

Accessibility & contrast

On white

6.63

#A7351B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A7351B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7351B

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7351B	#FFFFFF	#000000	##FFFFFF
##A7351B	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D17

Deuteranopia (green-blind)

#736615

Tritanopia (blue-blind)

#B80E30

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a7351b;
/* rgb */ color: rgb(167, 53, 27);
/* oklch */ color: oklch(49.4% 0.154 34.1);

Tailwind

colors: {
  custom: {
    50: '#ca735a',
    500: '#a7351b',
    950: '#000000',
  },
}

SCSS

$custom: #a7351b;
$custom-light: #ca735a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7351b",
  "rgb": {
    "r": 167,
    "g": 53,
    "b": 27
  },
  "hsl": {
    "h": 11.143,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4942,
    "c": 0.15434,
    "h": 34.1
  },
  "luminance": 0.10841
}

Semantic roles & 50–950 ramp

primary

#A7351B

secondary

#56B2C8

accent

#CDEF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7351B

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

Preview Lab → · Contrast checker → · Palette generator →