#A63E1D#A63E1D

#A63E1D is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.145 H 37.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#A63E1D
RGB	rgb(166, 62, 29)
HSL	hsl(14, 70%, 38%)
HSV	hsv(14, 83%, 65%)
CMYK	cmyk(0%, 62.7%, 82.5%, 34.9%)
CIE-LAB	lab(40.64, 41.22, 40.98)
CIE-LCH	lch(40.64, 58.12, 44.83°)
OKLab	oklab(50.39% 0.115 0.0878)
OKLCH	oklch(50.39% 0.145 37.4)
XYZ	xyz(17.6722, 11.6435, 2.4790)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E1D #1D85A6

analogous

#A61D40 #A63E1D #A6821D

triadic

#A63E1D #1DA63E #3E1DA6

tetradic

#A63E1D #40A61D #1D85A6 #821DA6

square

#A63E1D #40A61D #1D85A6 #821DA6

split-complementary

#A63E1D #1DA682 #1D40A6

monochromatic

#3E170B #722B14 #A63E1D #D95227 #E27C5B

Accessibility & contrast

On white

6.31

#A63E1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63E1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E1D

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E1D	#FFFFFF	#000000	##FFFFFF
##A63E1D	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5118

Deuteranopia (green-blind)

#756819

Tritanopia (blue-blind)

#B72337

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e1d;
/* rgb */ color: rgb(166, 62, 29);
/* oklch */ color: oklch(50.4% 0.145 37.4);

Tailwind

colors: {
  custom: {
    50: '#c8785c',
    500: '#a63e1d',
    950: '#000000',
  },
}

SCSS

$custom: #a63e1d;
$custom-light: #c8785c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e1d",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 29
  },
  "hsl": {
    "h": 14.453,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.50391,
    "c": 0.14464,
    "h": 37.4
  },
  "luminance": 0.11641
}

Semantic roles & 50–950 ramp

primary

#A63E1D

secondary

#59ACC6

accent

#C2ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63E1D

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

Preview Lab → · Contrast checker → · Palette generator →