#A63C2E#A63C2E

#A63C2E is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.143 H 30.3°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A63C2E
RGB	rgb(166, 60, 46)
HSL	hsl(7, 57%, 42%)
HSV	hsv(7, 72%, 65%)
CMYK	cmyk(0%, 63.9%, 72.3%, 34.9%)
CIE-LAB	lab(40.47, 42.84, 31.60)
CIE-LCH	lch(40.47, 53.23, 36.41°)
OKLab	oklab(50.32% 0.1232 0.072)
OKLCH	oklch(50.32% 0.143 30.3)
XYZ	xyz(17.8368, 11.5385, 3.8722)
Luminance	0.1154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C2E #2E98A6

analogous

#A62E5C #A63C2E #A6782E

triadic

#A63C2E #2EA63C #3C2EA6

tetradic

#A63C2E #5CA62E #2E98A6 #782EA6

square

#A63C2E #5CA62E #2E98A6 #782EA6

split-complementary

#A63C2E #2EA678 #2E5CA6

monochromatic

#461913 #762B21 #A63C2E #CC5546 #D98176

Accessibility & contrast

On white

6.35

#A63C2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63C2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C2E

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C2E	#FFFFFF	#000000	##FFFFFF
##A63C2E	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59512C

Deuteranopia (green-blind)

#73682B

Tritanopia (blue-blind)

#B62239

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63c2e;
/* rgb */ color: rgb(166, 60, 46);
/* oklch */ color: oklch(50.3% 0.143 30.3);

Tailwind

colors: {
  custom: {
    50: '#c87767',
    500: '#a63c2e',
    950: '#000000',
  },
}

SCSS

$custom: #a63c2e;
$custom-light: #c87767;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c2e",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 46
  },
  "hsl": {
    "h": 7,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50319,
    "c": 0.14272,
    "h": 30.3
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#A63C2E

secondary

#6FB7C1

accent

#CEE048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63C2E

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

Preview Lab → · Contrast checker → · Palette generator →