#A63030#A63030

#A63030 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.154 H 24.9°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A63030
RGB	rgb(166, 48, 48)
HSL	hsl(0, 55%, 42%)
HSV	hsv(0, 71%, 65%)
CMYK	cmyk(0%, 71.1%, 71.1%, 34.9%)
CIE-LAB	lab(38.62, 48.05, 28.25)
CIE-LCH	lch(38.62, 55.74, 30.45°)
OKLab	oklab(48.94% 0.14 0.065)
OKLCH	oklch(48.94% 0.154 24.9)
XYZ	xyz(17.3182, 10.4369, 3.8983)
Luminance	0.1043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63030 #30A6A6

analogous

#A6306B #A63030 #A66B30

triadic

#A63030 #30A630 #3030A6

tetradic

#A63030 #6BA630 #30A6A6 #6B30A6

square

#A63030 #6BA630 #30A6A6 #6B30A6

split-complementary

#A63030 #30A66B #306BA6

monochromatic

#471515 #772222 #A63030 #CA4949 #D87878

Accessibility & contrast

On white

6.80

#A63030 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A63030 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63030

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63030	#FFFFFF	#000000	##FFFFFF
##A63030	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B2F

Deuteranopia (green-blind)

#6F642C

Tritanopia (blue-blind)

#B70731

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63030;
/* rgb */ color: rgb(166, 48, 48);
/* oklch */ color: oklch(48.9% 0.154 24.9);

Tailwind

colors: {
  custom: {
    50: '#c87068',
    500: '#a63030',
    950: '#000000',
  },
}

SCSS

$custom: #a63030;
$custom-light: #c87068;
$custom-dark: #000000;

JSON

{
  "hex": "#a63030",
  "rgb": {
    "r": 166,
    "g": 48,
    "b": 48
  },
  "hsl": {
    "h": 0,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48935,
    "c": 0.15438,
    "h": 24.9
  },
  "luminance": 0.10434
}

Semantic roles & 50–950 ramp

primary

#A63030

secondary

#71C0C0

accent

#DEDE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #A63030

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

Preview Lab → · Contrast checker → · Palette generator →