#A63530#A63530

#A63530 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.149 H 26.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#A63530
RGB	rgb(166, 53, 48)
HSL	hsl(3, 55%, 42%)
HSV	hsv(3, 71%, 65%)
CMYK	cmyk(0%, 68.1%, 71.1%, 34.9%)
CIE-LAB	lab(39.36, 46.02, 29.13)
CIE-LCH	lch(39.36, 54.46, 32.33°)
OKLab	oklab(49.49% 0.1336 0.067)
OKLCH	oklch(49.49% 0.149 26.6)
XYZ	xyz(17.5344, 10.8691, 3.9704)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63530 #30A1A6

analogous

#A63066 #A63530 #A67030

triadic

#A63530 #30A635 #3530A6

tetradic

#A63530 #66A630 #30A1A6 #7030A6

square

#A63530 #66A630 #30A1A6 #7030A6

split-complementary

#A63530 #30A670 #3066A6

monochromatic

#471715 #772622 #A63530 #CA4E49 #D87C78

Accessibility & contrast

On white

6.62

#A63530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A63530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63530

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63530	#FFFFFF	#000000	##FFFFFF
##A63530	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2F

Deuteranopia (green-blind)

#71662C

Tritanopia (blue-blind)

#B71535

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63530;
/* rgb */ color: rgb(166, 53, 48);
/* oklch */ color: oklch(49.5% 0.149 26.6);

Tailwind

colors: {
  custom: {
    50: '#c87368',
    500: '#a63530',
    950: '#000000',
  },
}

SCSS

$custom: #a63530;
$custom-light: #c87368;
$custom-dark: #000000;

JSON

{
  "hex": "#a63530",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.542,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49491,
    "c": 0.14945,
    "h": 26.6
  },
  "luminance": 0.10867
}

Semantic roles & 50–950 ramp

primary

#A63530

secondary

#71BDC0

accent

#D8DE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A63530

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

Preview Lab → · Contrast checker → · Palette generator →