#A63544#A63544

#A63544 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.148 H 16.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A63544
RGB	rgb(166, 53, 68)
HSL	hsl(352, 52%, 43%)
HSV	hsv(352, 68%, 65%)
CMYK	cmyk(0%, 68.1%, 59%, 34.9%)
CIE-LAB	lab(39.70, 47.27, 17.26)
CIE-LCH	lch(39.70, 50.32, 20.06°)
OKLab	oklab(49.86% 0.1415 0.0425)
OKLCH	oklch(49.86% 0.148 16.7)
XYZ	xyz(18.0441, 11.0730, 6.6549)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63544 #35A697

analogous

#A6357D #A63544 #A65E35

triadic

#A63544 #44A635 #3544A6

tetradic

#A63544 #7DA635 #35A697 #5E35A6

square

#A63544 #7DA635 #35A697 #5E35A6

split-complementary

#A63544 #35A65E #357DA6

monochromatic

#49171E #782631 #A63544 #C75161 #D67F8B

Accessibility & contrast

On white

6.53

#A63544 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A63544 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63544

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63544	#FFFFFF	#000000	##FFFFFF
##A63544	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F44

Deuteranopia (green-blind)

#6F6641

Tritanopia (blue-blind)

#B61C3B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63544;
/* rgb */ color: rgb(166, 53, 68);
/* oklch */ color: oklch(49.9% 0.148 16.7);

Tailwind

colors: {
  custom: {
    50: '#c67377',
    500: '#a63544',
    950: '#000000',
  },
}

SCSS

$custom: #a63544;
$custom-light: #c67377;
$custom-dark: #000000;

JSON

{
  "hex": "#a63544",
  "rgb": {
    "r": 166,
    "g": 53,
    "b": 68
  },
  "hsl": {
    "h": 352.035,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49859,
    "c": 0.14775,
    "h": 16.7
  },
  "luminance": 0.11071
}

Semantic roles & 50–950 ramp

primary

#A63544

secondary

#77BFB6

accent

#DBC84D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #A63544

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

Preview Lab → · Contrast checker → · Palette generator →