#A63435#A63435

#A63435 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.150 H 24.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A63435
RGB	rgb(166, 52, 53)
HSL	hsl(359, 52%, 43%)
HSV	hsv(359, 69%, 65%)
CMYK	cmyk(0%, 68.7%, 68.1%, 34.9%)
CIE-LAB	lab(39.28, 46.70, 26.01)
CIE-LCH	lch(39.28, 53.46, 29.11°)
OKLab	oklab(49.46% 0.1368 0.0609)
OKLCH	oklch(49.46% 0.15 24)
XYZ	xyz(17.5983, 10.8225, 4.5298)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63435 #34A6A5

analogous

#A6346E #A63435 #A66C34

triadic

#A63435 #35A634 #3435A6

tetradic

#A63435 #6EA634 #34A6A5 #6C34A6

square

#A63435 #6EA634 #34A6A5 #6C34A6

split-complementary

#A63435 #34A66C #346EA6

monochromatic

#491717 #772526 #A63435 #C84F50 #D77E7F

Accessibility & contrast

On white

6.64

#A63435 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A63435 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63435

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63435	#FFFFFF	#000000	##FFFFFF
##A63435	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)

#534D34

Deuteranopia (green-blind)

#706632

Tritanopia (blue-blind)

#B61536

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63435;
/* rgb */ color: rgb(166, 52, 53);
/* oklch */ color: oklch(49.5% 0.150 24.0);

Tailwind

colors: {
  custom: {
    50: '#c7726c',
    500: '#a63435',
    950: '#000000',
  },
}

SCSS

$custom: #a63435;
$custom-light: #c7726c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63435",
  "rgb": {
    "r": 166,
    "g": 52,
    "b": 53
  },
  "hsl": {
    "h": 359.474,
    "s": 52.294,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49456,
    "c": 0.14977,
    "h": 24
  },
  "luminance": 0.1082
}

Semantic roles & 50–950 ramp

primary

#A63435

secondary

#76C0BF

accent

#DCDA4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63435

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

Preview Lab → · Contrast checker → · Palette generator →