#A63430#A63430

#A63430 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.150 H 26.3°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A63430
RGB	rgb(166, 52, 48)
HSL	hsl(2, 55%, 42%)
HSV	hsv(2, 71%, 65%)
CMYK	cmyk(0%, 68.7%, 71.1%, 34.9%)
CIE-LAB	lab(39.21, 46.44, 28.94)
CIE-LCH	lch(39.21, 54.72, 31.94°)
OKLab	oklab(49.38% 0.1349 0.0666)
OKLCH	oklch(49.38% 0.15 26.3)
XYZ	xyz(17.4893, 10.7789, 3.9554)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63430 #30A2A6

analogous

#A63067 #A63430 #A66F30

triadic

#A63430 #30A634 #3430A6

tetradic

#A63430 #67A630 #30A2A6 #6F30A6

square

#A63430 #67A630 #30A2A6 #6F30A6

split-complementary

#A63430 #30A66F #3067A6

monochromatic

#471615 #772522 #A63430 #CA4D49 #D87C78

Accessibility & contrast

On white

6.66

#A63430 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A63430 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63430

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63430	#FFFFFF	#000000	##FFFFFF
##A63430	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2F

Deuteranopia (green-blind)

#70652C

Tritanopia (blue-blind)

#B71334

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63430;
/* rgb */ color: rgb(166, 52, 48);
/* oklch */ color: oklch(49.4% 0.150 26.3);

Tailwind

colors: {
  custom: {
    50: '#c87268',
    500: '#a63430',
    950: '#000000',
  },
}

SCSS

$custom: #a63430;
$custom-light: #c87268;
$custom-dark: #000000;

JSON

{
  "hex": "#a63430",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 48
  },
  "hsl": {
    "h": 2.034,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49376,
    "c": 0.15046,
    "h": 26.3
  },
  "luminance": 0.10776
}

Semantic roles & 50–950 ramp

primary

#A63430

secondary

#71BEC0

accent

#D9DE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A63430

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

Preview Lab → · Contrast checker → · Palette generator →