#A63E2F#A63E2F

#A63E2F is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.6% C 0.140 H 30.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#A63E2F
RGB	rgb(166, 62, 47)
HSL	hsl(8, 56%, 42%)
HSV	hsv(8, 72%, 65%)
CMYK	cmyk(0%, 62.7%, 71.7%, 34.9%)
CIE-LAB	lab(40.83, 41.97, 31.43)
CIE-LCH	lch(40.83, 52.44, 36.83°)
OKLab	oklab(50.59% 0.1207 0.0718)
OKLCH	oklch(50.59% 0.14 30.7)
XYZ	xyz(17.9635, 11.7600, 4.0128)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E2F #2F97A6

analogous

#A62F5C #A63E2F #A67A2F

triadic

#A63E2F #2FA63E #3E2FA6

tetradic

#A63E2F #5CA62F #2F97A6 #7A2FA6

square

#A63E2F #5CA62F #2F97A6 #7A2FA6

split-complementary

#A63E2F #2FA67A #2F5CA6

monochromatic

#471A14 #762C21 #A63E2F #CB5847 #D88377

Accessibility & contrast

On white

6.27

#A63E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#A63E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E2F

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E2F	#FFFFFF	#000000	##FFFFFF
##A63E2F	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522D

Deuteranopia (green-blind)

#74692C

Tritanopia (blue-blind)

#B6263B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e2f;
/* rgb */ color: rgb(166, 62, 47);
/* oklch */ color: oklch(50.6% 0.140 30.7);

Tailwind

colors: {
  custom: {
    50: '#c77868',
    500: '#a63e2f',
    950: '#000000',
  },
}

SCSS

$custom: #a63e2f;
$custom-light: #c77868;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e2f",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 7.563,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50593,
    "c": 0.14047,
    "h": 30.7
  },
  "luminance": 0.11757
}

Semantic roles & 50–950 ramp

primary

#A63E2F

secondary

#70B6C1

accent

#CCDF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63E2F

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

Preview Lab → · Contrast checker → · Palette generator →