#A63F2E#A63F2E

#A63F2E is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.7% C 0.140 H 31.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#A63F2E
RGB	rgb(166, 63, 46)
HSL	hsl(9, 57%, 42%)
HSV	hsv(9, 72%, 65%)
CMYK	cmyk(0%, 62%, 72.3%, 34.9%)
CIE-LAB	lab(41.00, 41.45, 32.19)
CIE-LCH	lch(41.00, 52.49, 37.83°)
OKLab	oklab(50.71% 0.1189 0.0733)
OKLCH	oklch(50.71% 0.14 31.6)
XYZ	xyz(17.9984, 11.8617, 3.9260)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63F2E #2E95A6

analogous

#A62E59 #A63F2E #A67B2E

triadic

#A63F2E #2EA63F #3F2EA6

tetradic

#A63F2E #59A62E #2E95A6 #7B2EA6

square

#A63F2E #59A62E #2E95A6 #7B2EA6

split-complementary

#A63F2E #2EA67B #2E59A6

monochromatic

#461B13 #762D21 #A63F2E #CC5946 #D98476

Accessibility & contrast

On white

6.23

#A63F2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A63F2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63F2E

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63F2E	#FFFFFF	#000000	##FFFFFF
##A63F2E	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532C

Deuteranopia (green-blind)

#75692B

Tritanopia (blue-blind)

#B6273C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63f2e;
/* rgb */ color: rgb(166, 63, 46);
/* oklch */ color: oklch(50.7% 0.140 31.6);

Tailwind

colors: {
  custom: {
    50: '#c77867',
    500: '#a63f2e',
    950: '#000000',
  },
}

SCSS

$custom: #a63f2e;
$custom-light: #c77867;
$custom-dark: #000000;

JSON

{
  "hex": "#a63f2e",
  "rgb": {
    "r": 166,
    "g": 63,
    "b": 46
  },
  "hsl": {
    "h": 8.5,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50713,
    "c": 0.13967,
    "h": 31.6
  },
  "luminance": 0.11859
}

Semantic roles & 50–950 ramp

primary

#A63F2E

secondary

#6FB5C1

accent

#CAE048

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63F2E

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

Preview Lab → · Contrast checker → · Palette generator →