#A8403F#A8403F

#A8403F is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.4% C 0.138 H 23.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#A8403F
RGB	rgb(168, 64, 63)
HSL	hsl(1, 45%, 45%)
HSV	hsv(1, 63%, 66%)
CMYK	cmyk(0%, 61.9%, 62.5%, 34.1%)
CIE-LAB	lab(41.77, 42.72, 23.11)
CIE-LCH	lch(41.77, 48.58, 28.41°)
OKLab	oklab(51.44% 0.126 0.0555)
OKLCH	oklch(51.44% 0.138 23.8)
XYZ	xyz(18.8808, 12.3530, 6.0918)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8403F #3FA7A8

analogous

#A83F73 #A8403F #A8743F

triadic

#A8403F #3FA840 #403FA8

tetradic

#A8403F #73A83F #3FA7A8 #743FA8

square

#A8403F #73A83F #3FA7A8 #743FA8

split-complementary

#A8403F #3FA874 #3F73A8

monochromatic

#4F1E1E #7B2F2E #A8403F #C46261 #D48E8D

Accessibility & contrast

On white

6.05

#A8403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#A8403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A8403F

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8403F	#FFFFFF	#000000	##FFFFFF
##A8403F	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A553E

Deuteranopia (green-blind)

#756B3C

Tritanopia (blue-blind)

#B82B41

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #a8403f;
/* rgb */ color: rgb(168, 64, 63);
/* oklch */ color: oklch(51.4% 0.138 23.8);

Tailwind

colors: {
  custom: {
    50: '#c87974',
    500: '#a8403f',
    950: '#000000',
  },
}

SCSS

$custom: #a8403f;
$custom-light: #c87974;
$custom-dark: #000000;

JSON

{
  "hex": "#a8403f",
  "rgb": {
    "r": 168,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.571,
    "s": 45.455,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51445,
    "c": 0.13769,
    "h": 23.8
  },
  "luminance": 0.12351
}

Semantic roles & 50–950 ramp

primary

#A8403F

secondary

#84BFBF

accent

#D4D553

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #A8403F

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

Preview Lab → · Contrast checker → · Palette generator →