#A63B2D#A63B2D

#A63B2D is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.144 H 30.3°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A63B2D
RGB	rgb(166, 59, 45)
HSL	hsl(7, 57%, 41%)
HSV	hsv(7, 73%, 65%)
CMYK	cmyk(0%, 64.5%, 72.9%, 34.9%)
CIE-LAB	lab(40.29, 43.25, 31.97)
CIE-LCH	lch(40.29, 53.78, 36.47°)
OKLab	oklab(50.18% 0.1243 0.0726)
OKLCH	oklch(50.18% 0.144 30.3)
XYZ	xyz(17.7654, 11.4269, 3.7523)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63B2D #2D98A6

analogous

#A62D5C #A63B2D #A6782D

triadic

#A63B2D #2DA63B #3B2DA6

tetradic

#A63B2D #5CA62D #2D98A6 #782DA6

square

#A63B2D #5CA62D #2D98A6 #782DA6

split-complementary

#A63B2D #2DA678 #2D5CA6

monochromatic

#461913 #762A20 #A63B2D #CC5444 #D98074

Accessibility & contrast

On white

6.39

#A63B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#A63B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63B2D

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63B2D	#FFFFFF	#000000	##FFFFFF
##A63B2D	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502B

Deuteranopia (green-blind)

#73682A

Tritanopia (blue-blind)

#B72038

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63b2d;
/* rgb */ color: rgb(166, 59, 45);
/* oklch */ color: oklch(50.2% 0.144 30.3);

Tailwind

colors: {
  custom: {
    50: '#c87666',
    500: '#a63b2d',
    950: '#000000',
  },
}

SCSS

$custom: #a63b2d;
$custom-light: #c87666;
$custom-dark: #000000;

JSON

{
  "hex": "#a63b2d",
  "rgb": {
    "r": 166,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 6.942,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50177,
    "c": 0.14394,
    "h": 30.3
  },
  "luminance": 0.11424
}

Semantic roles & 50–950 ramp

primary

#A63B2D

secondary

#6EB7C1

accent

#CFE147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63B2D

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

Preview Lab → · Contrast checker → · Palette generator →