#A63529#A63529

#A63529 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.151 H 29.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A63529
RGB	rgb(166, 53, 41)
HSL	hsl(6, 60%, 41%)
HSV	hsv(6, 75%, 65%)
CMYK	cmyk(0%, 68.1%, 75.3%, 34.9%)
CIE-LAB	lab(39.27, 45.69, 33.13)
CIE-LCH	lch(39.27, 56.43, 35.95°)
OKLab	oklab(49.39% 0.1311 0.0742)
OKLCH	oklch(49.39% 0.151 29.5)
XYZ	xyz(17.4012, 10.8158, 3.2688)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63529 #299AA6

analogous

#A6295B #A63529 #A67329

triadic

#A63529 #29A635 #3529A6

tetradic

#A63529 #5BA629 #299AA6 #7329A6

square

#A63529 #5BA629 #299AA6 #7329A6

split-complementary

#A63529 #29A673 #295BA6

monochromatic

#441611 #75251D #A63529 #CF4B3D #DB796E

Accessibility & contrast

On white

6.64

#A63529 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A63529 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63529

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63529	#FFFFFF	#000000	##FFFFFF
##A63529	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D27

Deuteranopia (green-blind)

#716625

Tritanopia (blue-blind)

#B71333

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63529;
/* rgb */ color: rgb(166, 53, 41);
/* oklch */ color: oklch(49.4% 0.151 29.5);

Tailwind

colors: {
  custom: {
    50: '#c87363',
    500: '#a63529',
    950: '#000000',
  },
}

SCSS

$custom: #a63529;
$custom-light: #c87363;
$custom-dark: #000000;

JSON

{
  "hex": "#a63529",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 41
  },
  "hsl": {
    "h": 5.76,
    "s": 60.386,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49394,
    "c": 0.15064,
    "h": 29.5
  },
  "luminance": 0.10813
}

Semantic roles & 50–950 ramp

primary

#A63529

secondary

#69B9C2

accent

#D4E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A63529

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

Preview Lab → · Contrast checker → · Palette generator →