#A03521#A03521

#A03521 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.3% C 0.146 H 32.7°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#A03521
RGB	rgb(160, 53, 33)
HSL	hsl(9, 66%, 38%)
HSV	hsv(9, 79%, 63%)
CMYK	cmyk(0%, 66.9%, 79.4%, 37.3%)
CIE-LAB	lab(38.08, 43.25, 36.02)
CIE-LCH	lch(38.08, 56.29, 39.79°)
OKLab	oklab(48.27% 0.1226 0.0788)
OKLCH	oklch(48.27% 0.146 32.7)
XYZ	xyz(16.0466, 10.1319, 2.5493)
Luminance	0.1013 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03521 #218CA0

analogous

#A0214C #A03521 #A07421

triadic

#A03521 #21A035 #3521A0

tetradic

#A03521 #4CA021 #218CA0 #7421A0

square

#A03521 #4CA021 #218CA0 #7421A0

split-complementary

#A03521 #21A074 #214CA0

monochromatic

#3B130C #6D2417 #A03521 #D3462B #DE725E

Accessibility & contrast

On white

6.94

#A03521 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A03521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03521

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03521	#FFFFFF	#000000	##FFFFFF
##A03521	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#6E621D

Tritanopia (blue-blind)

#B01631

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a03521;
/* rgb */ color: rgb(160, 53, 33);
/* oklch */ color: oklch(48.3% 0.146 32.7);

Tailwind

colors: {
  custom: {
    50: '#c4725e',
    500: '#a03521',
    950: '#000000',
  },
}

SCSS

$custom: #a03521;
$custom-light: #c4725e;
$custom-dark: #000000;

JSON

{
  "hex": "#a03521",
  "rgb": {
    "r": 160,
    "g": 53,
    "b": 33
  },
  "hsl": {
    "h": 9.449,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48268,
    "c": 0.14568,
    "h": 32.7
  },
  "luminance": 0.1013
}

Semantic roles & 50–950 ramp

primary

#A03521

secondary

#5BB2C2

accent

#CEE93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03521

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

Preview Lab → · Contrast checker → · Palette generator →