#A03B1A#A03B1A

#A03B1A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.142 H 37.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A03B1A
RGB	rgb(160, 59, 26)
HSL	hsl(15, 72%, 36%)
HSV	hsv(15, 84%, 63%)
CMYK	cmyk(0%, 63.1%, 83.8%, 37.3%)
CIE-LAB	lab(39.03, 40.29, 40.56)
CIE-LCH	lch(39.03, 57.17, 45.19°)
OKLab	oklab(48.97% 0.1121 0.0864)
OKLCH	oklch(48.97% 0.142 37.6)
XYZ	xyz(16.2494, 10.6784, 2.1826)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B1A #1A7FA0

analogous

#A01A3C #A03B1A #A07E1A

triadic

#A03B1A #1AA03B #3B1AA0

tetradic

#A03B1A #3CA01A #1A7FA0 #7E1AA0

square

#A03B1A #3CA01A #1A7FA0 #7E1AA0

split-complementary

#A03B1A #1AA07E #1A3CA0

monochromatic

#371409 #6B2811 #A03B1A #D54E23 #E37552

Accessibility & contrast

On white

6.70

#A03B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A03B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B1A

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B1A	#FFFFFF	#000000	##FFFFFF
##A03B1A	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E15

Deuteranopia (green-blind)

#716415

Tritanopia (blue-blind)

#B02035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b1a;
/* rgb */ color: rgb(160, 59, 26);
/* oklch */ color: oklch(49.0% 0.142 37.6);

Tailwind

colors: {
  custom: {
    50: '#c4755a',
    500: '#a03b1a',
    950: '#000000',
  },
}

SCSS

$custom: #a03b1a;
$custom-light: #c4755a;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b1a",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 26
  },
  "hsl": {
    "h": 14.776,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.48968,
    "c": 0.14155,
    "h": 37.6
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#A03B1A

secondary

#50A9C5

accent

#C2EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03B1A

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

Preview Lab → · Contrast checker → · Palette generator →