#A03E28#A03E28

#A03E28 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.5% C 0.135 H 34.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A03E28
RGB	rgb(160, 62, 40)
HSL	hsl(11, 60%, 39%)
HSV	hsv(11, 75%, 63%)
CMYK	cmyk(0%, 61.2%, 75%, 37.3%)
CIE-LAB	lab(39.71, 39.40, 33.87)
CIE-LCH	lch(39.71, 51.96, 40.69°)
OKLab	oklab(49.52% 0.112 0.076)
OKLCH	oklch(49.52% 0.135 34.2)
XYZ	xyz(16.6046, 11.0743, 3.2703)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03E28 #288AA0

analogous

#A0284E #A03E28 #A07A28

triadic

#A03E28 #28A03E #3E28A0

tetradic

#A03E28 #4EA028 #288AA0 #7A28A0

square

#A03E28 #4EA028 #288AA0 #7A28A0

split-complementary

#A03E28 #28A07A #284EA0

monochromatic

#3E1810 #6F2B1C #A03E28 #CD5338 #D97E69

Accessibility & contrast

On white

6.53

#A03E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A03E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03E28

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03E28	#FFFFFF	#000000	##FFFFFF
##A03E28	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595025

Deuteranopia (green-blind)

#716625

Tritanopia (blue-blind)

#B02739

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03e28;
/* rgb */ color: rgb(160, 62, 40);
/* oklch */ color: oklch(49.5% 0.135 34.2);

Tailwind

colors: {
  custom: {
    50: '#c37763',
    500: '#a03e28',
    950: '#000000',
  },
}

SCSS

$custom: #a03e28;
$custom-light: #c37763;
$custom-dark: #000000;

JSON

{
  "hex": "#a03e28",
  "rgb": {
    "r": 160,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 11,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49518,
    "c": 0.13533,
    "h": 34.2
  },
  "luminance": 0.11072
}

Semantic roles & 50–950 ramp

primary

#A03E28

secondary

#64AFC0

accent

#C6E345

background

#FCF7F5

surface

#F9EDEA

border

#D2C8C6

text

#140905

muted

#827B79

Preview Lab

Preview with #A03E28

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

Preview Lab → · Contrast checker → · Palette generator →