#A03B1C#A03B1C

#A03B1C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.141 H 37.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A03B1C
RGB	rgb(160, 59, 28)
HSL	hsl(14, 70%, 37%)
HSV	hsv(14, 83%, 63%)
CMYK	cmyk(0%, 63.1%, 82.5%, 37.3%)
CIE-LAB	lab(39.05, 40.35, 39.59)
CIE-LCH	lch(39.05, 56.53, 44.45°)
OKLab	oklab(48.99% 0.1127 0.085)
OKLCH	oklch(48.99% 0.141 37)
XYZ	xyz(16.2726, 10.6877, 2.3045)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B1C #1C81A0

analogous

#A01C3F #A03B1C #A07D1C

triadic

#A03B1C #1CA03B #3B1CA0

tetradic

#A03B1C #3FA01C #1C81A0 #7D1CA0

square

#A03B1C #3FA01C #1C81A0 #7D1CA0

split-complementary

#A03B1C #1CA07D #1C3FA0

monochromatic

#38150A #6C2813 #A03B1C #D44E25 #E17655

Accessibility & contrast

On white

6.69

#A03B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A03B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B1C

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B1C	#FFFFFF	#000000	##FFFFFF
##A03B1C	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E17

Deuteranopia (green-blind)

#716418

Tritanopia (blue-blind)

#B02135

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b1c;
/* rgb */ color: rgb(160, 59, 28);
/* oklch */ color: oklch(49.0% 0.141 37.0);

Tailwind

colors: {
  custom: {
    50: '#c4755b',
    500: '#a03b1c',
    950: '#000000',
  },
}

SCSS

$custom: #a03b1c;
$custom-light: #c4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b1c",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 28
  },
  "hsl": {
    "h": 14.091,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48985,
    "c": 0.14111,
    "h": 37
  },
  "luminance": 0.10685
}

Semantic roles & 50–950 ramp

primary

#A03B1C

secondary

#53AAC4

accent

#C3ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03B1C

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

Preview Lab → · Contrast checker → · Palette generator →