#A03A1C#A03A1C

#A03A1C is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.142 H 36.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A03A1C
RGB	rgb(160, 58, 28)
HSL	hsl(14, 70%, 37%)
HSV	hsv(14, 83%, 63%)
CMYK	cmyk(0%, 63.8%, 82.5%, 37.3%)
CIE-LAB	lab(38.87, 40.82, 39.42)
CIE-LCH	lch(38.87, 56.75, 44.00°)
OKLab	oklab(48.85% 0.1141 0.0846)
OKLCH	oklch(48.85% 0.142 36.5)
XYZ	xyz(16.2217, 10.5859, 2.2875)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A1C #1C82A0

analogous

#A01C40 #A03A1C #A07C1C

triadic

#A03A1C #1CA03A #3A1CA0

tetradic

#A03A1C #40A01C #1C82A0 #7C1CA0

square

#A03A1C #40A01C #1C82A0 #7C1CA0

split-complementary

#A03A1C #1CA07C #1C40A0

monochromatic

#38140A #6C2713 #A03A1C #D44D25 #E17555

Accessibility & contrast

On white

6.74

#A03A1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A03A1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A1C

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A1C	#FFFFFF	#000000	##FFFFFF
##A03A1C	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D17

Deuteranopia (green-blind)

#706418

Tritanopia (blue-blind)

#B01F34

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03a1c;
/* rgb */ color: rgb(160, 58, 28);
/* oklch */ color: oklch(48.9% 0.142 36.5);

Tailwind

colors: {
  custom: {
    50: '#c4755b',
    500: '#a03a1c',
    950: '#000000',
  },
}

SCSS

$custom: #a03a1c;
$custom-light: #c4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a1c",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 28
  },
  "hsl": {
    "h": 13.636,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.48852,
    "c": 0.14204,
    "h": 36.5
  },
  "luminance": 0.10584
}

Semantic roles & 50–950 ramp

primary

#A03A1C

secondary

#53ABC4

accent

#C5ED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03A1C

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

Preview Lab → · Contrast checker → · Palette generator →