#A63436#A63436

#A63436 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.150 H 23.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A63436
RGB	rgb(166, 52, 54)
HSL	hsl(359, 52%, 43%)
HSV	hsv(359, 69%, 65%)
CMYK	cmyk(0%, 68.7%, 67.5%, 34.9%)
CIE-LAB	lab(39.30, 46.76, 25.42)
CIE-LCH	lch(39.30, 53.22, 28.53°)
OKLab	oklab(49.47% 0.1372 0.0597)
OKLCH	oklch(49.47% 0.15 23.5)
XYZ	xyz(17.6216, 10.8318, 4.6522)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63436 #34A6A4

analogous

#A6346F #A63436 #A66B34

triadic

#A63436 #36A634 #3436A6

tetradic

#A63436 #6FA634 #34A6A4 #6B34A6

square

#A63436 #6FA634 #34A6A4 #6B34A6

split-complementary

#A63436 #34A66B #346FA6

monochromatic

#491718 #772527 #A63436 #C84F51 #D77E7F

Accessibility & contrast

On white

6.63

#A63436 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A63436 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63436

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63436	#FFFFFF	#000000	##FFFFFF
##A63436	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)

#534D35

Deuteranopia (green-blind)

#706633

Tritanopia (blue-blind)

#B61536

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63436;
/* rgb */ color: rgb(166, 52, 54);
/* oklch */ color: oklch(49.5% 0.150 23.5);

Tailwind

colors: {
  custom: {
    50: '#c7726d',
    500: '#a63436',
    950: '#000000',
  },
}

SCSS

$custom: #a63436;
$custom-light: #c7726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63436",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 54
  },
  "hsl": {
    "h": 358.947,
    "s": 52.294,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49473,
    "c": 0.14965,
    "h": 23.5
  },
  "luminance": 0.10829
}

Semantic roles & 50–950 ramp

primary

#A63436

secondary

#76C0BE

accent

#DCD94C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63436

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

Preview Lab → · Contrast checker → · Palette generator →