#A63C20#A63C20

#A63C20 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.146 H 35.5°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A63C20
RGB	rgb(166, 60, 32)
HSL	hsl(13, 68%, 39%)
HSV	hsv(13, 81%, 65%)
CMYK	cmyk(0%, 63.9%, 80.7%, 34.9%)
CIE-LAB	lab(40.32, 42.25, 39.16)
CIE-LCH	lch(40.32, 57.61, 42.82°)
OKLab	oklab(50.16% 0.1187 0.0848)
OKLCH	oklch(50.16% 0.146 35.5)
XYZ	xyz(17.6044, 11.4455, 2.6484)
Luminance	0.1144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C20 #208AA6

analogous

#A62047 #A63C20 #A67F20

triadic

#A63C20 #20A63C #3C20A6

tetradic

#A63C20 #47A620 #208AA6 #7F20A6

square

#A63C20 #47A620 #208AA6 #7F20A6

split-complementary

#A63C20 #20A67F #2047A6

monochromatic

#3F170C #732916 #A63C20 #D6502D #E07B60

Accessibility & contrast

On white

6.39

#A63C20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A63C20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C20

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C20	#FFFFFF	#000000	##FFFFFF
##A63C20	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501C

Deuteranopia (green-blind)

#74681C

Tritanopia (blue-blind)

#B72036

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63c20;
/* rgb */ color: rgb(166, 60, 32);
/* oklch */ color: oklch(50.2% 0.146 35.5);

Tailwind

colors: {
  custom: {
    50: '#c8765e',
    500: '#a63c20',
    950: '#000000',
  },
}

SCSS

$custom: #a63c20;
$custom-light: #c8765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c20",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 32
  },
  "hsl": {
    "h": 12.537,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.50156,
    "c": 0.14583,
    "h": 35.5
  },
  "luminance": 0.11443
}

Semantic roles & 50–950 ramp

primary

#A63C20

secondary

#5DAFC5

accent

#C6EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63C20

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

Preview Lab → · Contrast checker → · Palette generator →