#A63433#A63433

#A63433 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.150 H 24.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A63433
RGB	rgb(166, 52, 51)
HSL	hsl(1, 53%, 43%)
HSV	hsv(1, 69%, 65%)
CMYK	cmyk(0%, 68.7%, 69.3%, 34.9%)
CIE-LAB	lab(39.25, 46.59, 27.19)
CIE-LCH	lch(39.25, 53.95, 30.26°)
OKLab	oklab(49.42% 0.1361 0.0632)
OKLCH	oklch(49.42% 0.15 24.9)
XYZ	xyz(17.5533, 10.8045, 4.2925)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63433 #33A5A6

analogous

#A6336B #A63433 #A66E33

triadic

#A63433 #33A634 #3433A6

tetradic

#A63433 #6BA633 #33A5A6 #6E33A6

square

#A63433 #6BA633 #33A5A6 #6E33A6

split-complementary

#A63433 #33A66E #336BA6

monochromatic

#481716 #772525 #A63433 #C94F4E #D77D7C

Accessibility & contrast

On white

6.64

#A63433 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A63433 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63433

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63433	#FFFFFF	#000000	##FFFFFF
##A63433	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)

#534D32

Deuteranopia (green-blind)

#706530

Tritanopia (blue-blind)

#B61435

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63433;
/* rgb */ color: rgb(166, 52, 51);
/* oklch */ color: oklch(49.4% 0.150 24.9);

Tailwind

colors: {
  custom: {
    50: '#c8726b',
    500: '#a63433',
    950: '#000000',
  },
}

SCSS

$custom: #a63433;
$custom-light: #c8726b;
$custom-dark: #000000;

JSON

{
  "hex": "#a63433",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.522,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49423,
    "c": 0.15003,
    "h": 24.9
  },
  "luminance": 0.10802
}

Semantic roles & 50–950 ramp

primary

#A63433

secondary

#75BFC0

accent

#DBDC4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A63433

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

Preview Lab → · Contrast checker → · Palette generator →