#A63335#A63335

#A63335 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.151 H 23.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A63335
RGB	rgb(166, 51, 53)
HSL	hsl(359, 53%, 43%)
HSV	hsv(359, 69%, 65%)
CMYK	cmyk(0%, 69.3%, 68.1%, 34.9%)
CIE-LAB	lab(39.13, 47.12, 25.83)
CIE-LCH	lch(39.13, 53.73, 28.73°)
OKLab	oklab(49.34% 0.1381 0.0605)
OKLCH	oklch(49.34% 0.151 23.6)
XYZ	xyz(17.5542, 10.7342, 4.5150)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63335 #33A6A4

analogous

#A6336E #A63335 #A66B33

triadic

#A63335 #35A633 #3335A6

tetradic

#A63335 #6EA633 #33A6A4 #6B33A6

square

#A63335 #6EA633 #33A6A4 #6B33A6

split-complementary

#A63335 #33A66B #336EA6

monochromatic

#481617 #772526 #A63335 #C94E50 #D77C7E

Accessibility & contrast

On white

6.67

#A63335 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A63335 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63335

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63335	#FFFFFF	#000000	##FFFFFF
##A63335	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C34

Deuteranopia (green-blind)

#6F6532

Tritanopia (blue-blind)

#B61235

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63335;
/* rgb */ color: rgb(166, 51, 53);
/* oklch */ color: oklch(49.3% 0.151 23.6);

Tailwind

colors: {
  custom: {
    50: '#c8726c',
    500: '#a63335',
    950: '#000000',
  },
}

SCSS

$custom: #a63335;
$custom-light: #c8726c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63335",
  "rgb": {
    "r": 166,
    "g": 51,
    "b": 53
  },
  "hsl": {
    "h": 358.957,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49343,
    "c": 0.1508,
    "h": 23.6
  },
  "luminance": 0.10732
}

Semantic roles & 50–950 ramp

primary

#A63335

secondary

#75C0BE

accent

#DCDA4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63335

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

Preview Lab → · Contrast checker → · Palette generator →