#A63641#A63641

#A63641 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.147 H 18.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A63641
RGB	rgb(166, 54, 65)
HSL	hsl(354, 51%, 43%)
HSV	hsv(354, 67%, 65%)
CMYK	cmyk(0%, 67.5%, 60.8%, 34.9%)
CIE-LAB	lab(39.80, 46.63, 19.26)
CIE-LCH	lch(39.80, 50.45, 22.44°)
OKLab	oklab(49.91% 0.139 0.0469)
OKLCH	oklch(49.91% 0.147 18.6)
XYZ	xyz(18.0009, 11.1294, 6.2003)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63641 #36A69B

analogous

#A63679 #A63641 #A66336

triadic

#A63641 #41A636 #3641A6

tetradic

#A63641 #79A636 #36A69B #6336A6

square

#A63641 #79A636 #36A69B #6336A6

split-complementary

#A63641 #36A663 #3679A6

monochromatic

#4A181D #78272F #A63641 #C7525E #D68189

Accessibility & contrast

On white

6.51

#A63641 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A63641 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63641

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63641	#FFFFFF	#000000	##FFFFFF
##A63641	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F41

Deuteranopia (green-blind)

#6F663E

Tritanopia (blue-blind)

#B61D3B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63641;
/* rgb */ color: rgb(166, 54, 65);
/* oklch */ color: oklch(49.9% 0.147 18.6);

Tailwind

colors: {
  custom: {
    50: '#c77475',
    500: '#a63641',
    950: '#000000',
  },
}

SCSS

$custom: #a63641;
$custom-light: #c77475;
$custom-dark: #000000;

JSON

{
  "hex": "#a63641",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 65
  },
  "hsl": {
    "h": 354.107,
    "s": 50.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49911,
    "c": 0.14666,
    "h": 18.6
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary

#A63641

secondary

#79BFB8

accent

#DACD4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #A63641

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

Preview Lab → · Contrast checker → · Palette generator →