#A8403A#A8403A

#A8403A is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.138 H 26.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#A8403A
RGB	rgb(168, 64, 58)
HSL	hsl(3, 49%, 44%)
HSV	hsv(3, 65%, 66%)
CMYK	cmyk(0%, 61.9%, 65.5%, 34.1%)
CIE-LAB	lab(41.69, 42.40, 26.03)
CIE-LCH	lch(41.69, 49.75, 31.55°)
OKLab	oklab(51.36% 0.124 0.0615)
OKLCH	oklch(51.36% 0.138 26.4)
XYZ	xyz(18.7474, 12.2996, 5.3890)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8403A #3AA2A8

analogous

#A83A6B #A8403A #A8773A

triadic

#A8403A #3AA840 #403AA8

tetradic

#A8403A #6BA83A #3AA2A8 #773AA8

square

#A8403A #6BA83A #3AA2A8 #773AA8

split-complementary

#A8403A #3AA877 #3A6BA8

monochromatic

#4D1D1B #7B2F2A #A8403A #C65F59 #D68B87

Accessibility & contrast

On white

6.07

#A8403A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#A8403A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A8403A

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8403A	#FFFFFF	#000000	##FFFFFF
##A8403A	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5439

Deuteranopia (green-blind)

#756B37

Tritanopia (blue-blind)

#B82A3F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a8403a;
/* rgb */ color: rgb(168, 64, 58);
/* oklch */ color: oklch(51.4% 0.138 26.4);

Tailwind

colors: {
  custom: {
    50: '#c87970',
    500: '#a8403a',
    950: '#000000',
  },
}

SCSS

$custom: #a8403a;
$custom-light: #c87970;
$custom-dark: #000000;

JSON

{
  "hex": "#a8403a",
  "rgb": {
    "r": 168,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 3.273,
    "s": 48.673,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51355,
    "c": 0.13844,
    "h": 26.4
  },
  "luminance": 0.12297
}

Semantic roles & 50–950 ramp

primary

#A8403A

secondary

#7EBCC0

accent

#D1D850

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140907

muted

#837B7A

Preview Lab

Preview with #A8403A

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

Preview Lab → · Contrast checker → · Palette generator →