#A03C1B#A03C1B

#A03C1B is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.1% C 0.140 H 37.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A03C1B
RGB	rgb(160, 60, 27)
HSL	hsl(15, 71%, 37%)
HSV	hsv(15, 83%, 63%)
CMYK	cmyk(0%, 62.5%, 83.1%, 37.3%)
CIE-LAB	lab(39.22, 39.85, 40.24)
CIE-LCH	lch(39.22, 56.64, 45.28°)
OKLab	oklab(49.11% 0.111 0.086)
OKLCH	oklch(49.11% 0.14 37.8)
XYZ	xyz(16.3127, 10.7868, 2.2598)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03C1B #1B7FA0

analogous

#A01B3D #A03C1B #A07F1B

triadic

#A03C1B #1BA03C #3C1BA0

tetradic

#A03C1B #3DA01B #1B7FA0 #7F1BA0

square

#A03C1B #3DA01B #1B7FA0 #7F1BA0

split-complementary

#A03C1B #1BA07F #1B3DA0

monochromatic

#371509 #6C2812 #A03C1B #D45024 #E27753

Accessibility & contrast

On white

6.65

#A03C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A03C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03C1B

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03C1B	#FFFFFF	#000000	##FFFFFF
##A03C1B	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E16

Deuteranopia (green-blind)

#716517

Tritanopia (blue-blind)

#B02235

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03c1b;
/* rgb */ color: rgb(160, 60, 27);
/* oklch */ color: oklch(49.1% 0.140 37.8);

Tailwind

colors: {
  custom: {
    50: '#c4765a',
    500: '#a03c1b',
    950: '#000000',
  },
}

SCSS

$custom: #a03c1b;
$custom-light: #c4765a;
$custom-dark: #000000;

JSON

{
  "hex": "#a03c1b",
  "rgb": {
    "r": 160,
    "g": 60,
    "b": 27
  },
  "hsl": {
    "h": 14.887,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4911,
    "c": 0.14041,
    "h": 37.8
  },
  "luminance": 0.10784
}

Semantic roles & 50–950 ramp

primary

#A03C1B

secondary

#52A8C5

accent

#C1EE3A

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03C1B

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

Preview Lab → · Contrast checker → · Palette generator →