#A03D21#A03D21

#A03D21 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.3% C 0.138 H 36.3°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A03D21
RGB	rgb(160, 61, 33)
HSL	hsl(13, 66%, 38%)
HSV	hsv(13, 79%, 63%)
CMYK	cmyk(0%, 61.9%, 79.4%, 37.3%)
CIE-LAB	lab(39.45, 39.59, 37.42)
CIE-LCH	lch(39.45, 54.47, 43.39°)
OKLab	oklab(49.3% 0.1112 0.0818)
OKLCH	oklch(49.3% 0.138 36.3)
XYZ	xyz(16.4422, 10.9232, 2.6811)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03D21 #2184A0

analogous

#A02145 #A03D21 #A07C21

triadic

#A03D21 #21A03D #3D21A0

tetradic

#A03D21 #45A021 #2184A0 #7C21A0

square

#A03D21 #45A021 #2184A0 #7C21A0

split-complementary

#A03D21 #21A07C #2145A0

monochromatic

#3B160C #6D2A17 #A03D21 #D3502B #DE7A5E

Accessibility & contrast

On white

6.60

#A03D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A03D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03D21

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03D21	#FFFFFF	#000000	##FFFFFF
##A03D21	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1D

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#B02537

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a03d21;
/* rgb */ color: rgb(160, 61, 33);
/* oklch */ color: oklch(49.3% 0.138 36.3);

Tailwind

colors: {
  custom: {
    50: '#c4765e',
    500: '#a03d21',
    950: '#000000',
  },
}

SCSS

$custom: #a03d21;
$custom-light: #c4765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a03d21",
  "rgb": {
    "r": 160,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 13.228,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.49302,
    "c": 0.13805,
    "h": 36.3
  },
  "luminance": 0.10921
}

Semantic roles & 50–950 ramp

primary

#A03D21

secondary

#5BABC2

accent

#C3E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03D21

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

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