#A63D1E#A63D1E

#A63D1E is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.145 H 36.6°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#A63D1E
RGB	rgb(166, 61, 30)
HSL	hsl(14, 69%, 38%)
HSV	hsv(14, 82%, 65%)
CMYK	cmyk(0%, 63.3%, 81.9%, 34.9%)
CIE-LAB	lab(40.48, 41.72, 40.32)
CIE-LCH	lch(40.48, 58.02, 44.02°)
OKLab	oklab(50.27% 0.1167 0.0867)
OKLCH	oklch(50.27% 0.145 36.6)
XYZ	xyz(17.6309, 11.5407, 2.5272)
Luminance	0.1154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63D1E #1E87A6

analogous

#A61E43 #A63D1E #A6811E

triadic

#A63D1E #1EA63D #3D1EA6

tetradic

#A63D1E #43A61E #1E87A6 #811EA6

square

#A63D1E #43A61E #1E87A6 #811EA6

split-complementary

#A63D1E #1EA681 #1E43A6

monochromatic

#3E170B #722A15 #A63D1E #D85129 #E27B5D

Accessibility & contrast

On white

6.35

#A63D1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#A63D1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63D1E

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63D1E	#FFFFFF	#000000	##FFFFFF
##A63D1E	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5119

Deuteranopia (green-blind)

#75681A

Tritanopia (blue-blind)

#B72137

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63d1e;
/* rgb */ color: rgb(166, 61, 30);
/* oklch */ color: oklch(50.3% 0.145 36.6);

Tailwind

colors: {
  custom: {
    50: '#c8775c',
    500: '#a63d1e',
    950: '#000000',
  },
}

SCSS

$custom: #a63d1e;
$custom-light: #c8775c;
$custom-dark: #000000;

JSON

{
  "hex": "#a63d1e",
  "rgb": {
    "r": 166,
    "g": 61,
    "b": 30
  },
  "hsl": {
    "h": 13.676,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.50268,
    "c": 0.14534,
    "h": 36.6
  },
  "luminance": 0.11538
}

Semantic roles & 50–950 ramp

primary

#A63D1E

secondary

#5AADC6

accent

#C4EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63D1E

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

Preview Lab → · Contrast checker → · Palette generator →