#A63B2E#A63B2E

#A63B2E is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.144 H 29.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A63B2E
RGB	rgb(166, 59, 46)
HSL	hsl(7, 57%, 42%)
HSV	hsv(7, 72%, 65%)
CMYK	cmyk(0%, 64.5%, 72.3%, 34.9%)
CIE-LAB	lab(40.30, 43.30, 31.40)
CIE-LCH	lch(40.30, 53.49, 35.95°)
OKLab	oklab(50.19% 0.1247 0.0716)
OKLCH	oklch(50.19% 0.144 29.9)
XYZ	xyz(17.7849, 11.4347, 3.8549)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63B2E #2E99A6

analogous

#A62E5D #A63B2E #A6772E

triadic

#A63B2E #2EA63B #3B2EA6

tetradic

#A63B2E #5DA62E #2E99A6 #772EA6

square

#A63B2E #5DA62E #2E99A6 #772EA6

split-complementary

#A63B2E #2EA677 #2E5DA6

monochromatic

#461913 #762A21 #A63B2E #CC5446 #D98076

Accessibility & contrast

On white

6.39

#A63B2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A63B2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63B2E

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63B2E	#FFFFFF	#000000	##FFFFFF
##A63B2E	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502C

Deuteranopia (green-blind)

#73682B

Tritanopia (blue-blind)

#B62139

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63b2e;
/* rgb */ color: rgb(166, 59, 46);
/* oklch */ color: oklch(50.2% 0.144 29.9);

Tailwind

colors: {
  custom: {
    50: '#c87667',
    500: '#a63b2e',
    950: '#000000',
  },
}

SCSS

$custom: #a63b2e;
$custom-light: #c87667;
$custom-dark: #000000;

JSON

{
  "hex": "#a63b2e",
  "rgb": {
    "r": 166,
    "g": 59,
    "b": 46
  },
  "hsl": {
    "h": 6.5,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50191,
    "c": 0.14373,
    "h": 29.9
  },
  "luminance": 0.11432
}

Semantic roles & 50–950 ramp

primary

#A63B2E

secondary

#6FB8C1

accent

#CFE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63B2E

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

Preview Lab → · Contrast checker → · Palette generator →