#A03D28#A03D28

#A03D28 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.4% C 0.136 H 33.7°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A03D28
RGB	rgb(160, 61, 40)
HSL	hsl(11, 60%, 39%)
HSV	hsv(11, 75%, 63%)
CMYK	cmyk(0%, 61.9%, 75%, 37.3%)
CIE-LAB	lab(39.52, 39.88, 33.68)
CIE-LCH	lch(39.52, 52.20, 40.18°)
OKLab	oklab(49.38% 0.1135 0.0755)
OKLCH	oklch(49.38% 0.136 33.7)
XYZ	xyz(16.5507, 10.9666, 3.2523)
Luminance	0.1096 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03D28 #288BA0

analogous

#A0284F #A03D28 #A07928

triadic

#A03D28 #28A03D #3D28A0

tetradic

#A03D28 #4FA028 #288BA0 #7928A0

square

#A03D28 #4FA028 #288BA0 #7928A0

split-complementary

#A03D28 #28A079 #284FA0

monochromatic

#3E1810 #6F2A1C #A03D28 #CD5238 #D97D69

Accessibility & contrast

On white

6.58

#A03D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A03D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03D28

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03D28	#FFFFFF	#000000	##FFFFFF
##A03D28	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F25

Deuteranopia (green-blind)

#716525

Tritanopia (blue-blind)

#B02639

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a03d28;
/* rgb */ color: rgb(160, 61, 40);
/* oklch */ color: oklch(49.4% 0.136 33.7);

Tailwind

colors: {
  custom: {
    50: '#c37763',
    500: '#a03d28',
    950: '#000000',
  },
}

SCSS

$custom: #a03d28;
$custom-light: #c37763;
$custom-dark: #000000;

JSON

{
  "hex": "#a03d28",
  "rgb": {
    "r": 160,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 10.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.13631,
    "h": 33.7
  },
  "luminance": 0.10964
}

Semantic roles & 50–950 ramp

primary

#A03D28

secondary

#64B0C0

accent

#C7E345

background

#FCF7F5

surface

#F9EDEA

border

#D2C8C6

text

#140905

muted

#827B79

Preview Lab

Preview with #A03D28

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

Preview Lab → · Contrast checker → · Palette generator →