#A63330#A63330

#A63330 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.151 H 25.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A63330
RGB	rgb(166, 51, 48)
HSL	hsl(2, 55%, 42%)
HSV	hsv(2, 71%, 65%)
CMYK	cmyk(0%, 69.3%, 71.1%, 34.9%)
CIE-LAB	lab(39.05, 46.85, 28.77)
CIE-LCH	lch(39.05, 54.97, 31.55°)
OKLab	oklab(49.26% 0.1362 0.0662)
OKLCH	oklch(49.26% 0.151 25.9)
XYZ	xyz(17.4451, 10.6906, 3.9406)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63330 #30A3A6

analogous

#A63068 #A63330 #A66E30

triadic

#A63330 #30A633 #3330A6

tetradic

#A63330 #68A630 #30A3A6 #6E30A6

square

#A63330 #68A630 #30A3A6 #6E30A6

split-complementary

#A63330 #30A66E #3068A6

monochromatic

#471615 #772422 #A63330 #CA4C49 #D87B78

Accessibility & contrast

On white

6.69

#A63330 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A63330 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63330

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63330	#FFFFFF	#000000	##FFFFFF
##A63330	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C2F

Deuteranopia (green-blind)

#70652C

Tritanopia (blue-blind)

#B71033

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63330;
/* rgb */ color: rgb(166, 51, 48);
/* oklch */ color: oklch(49.3% 0.151 25.9);

Tailwind

colors: {
  custom: {
    50: '#c87268',
    500: '#a63330',
    950: '#000000',
  },
}

SCSS

$custom: #a63330;
$custom-light: #c87268;
$custom-dark: #000000;

JSON

{
  "hex": "#a63330",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 48
  },
  "hsl": {
    "h": 1.525,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49263,
    "c": 0.15145,
    "h": 25.9
  },
  "luminance": 0.10688
}

Semantic roles & 50–950 ramp

primary

#A63330

secondary

#71BEC0

accent

#DBDE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A63330

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

Preview Lab → · Contrast checker → · Palette generator →