#A03D1D#A03D1D

#A03D1D is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.3% C 0.139 H 37.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A03D1D
RGB	rgb(160, 61, 29)
HSL	hsl(15, 69%, 37%)
HSV	hsv(15, 82%, 63%)
CMYK	cmyk(0%, 61.9%, 81.9%, 37.3%)
CIE-LAB	lab(39.42, 39.44, 39.44)
CIE-LCH	lch(39.42, 55.78, 45.00°)
OKLab	oklab(49.26% 0.11 0.085)
OKLCH	oklch(49.26% 0.139 37.7)
XYZ	xyz(16.3895, 10.9021, 2.4035)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03D1D #1D80A0

analogous

#A01D3F #A03D1D #A07E1D

triadic

#A03D1D #1DA03D #3D1DA0

tetradic

#A03D1D #3FA01D #1D80A0 #7E1DA0

square

#A03D1D #3FA01D #1D80A0 #7E1DA0

split-complementary

#A03D1D #1DA07E #1D3FA0

monochromatic

#38150A #6C2914 #A03D1D #D45126 #E17857

Accessibility & contrast

On white

6.60

#A03D1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A03D1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03D1D

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03D1D	#FFFFFF	#000000	##FFFFFF
##A03D1D	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)

#594F18

Deuteranopia (green-blind)

#716519

Tritanopia (blue-blind)

#B02437

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a03d1d;
/* rgb */ color: rgb(160, 61, 29);
/* oklch */ color: oklch(49.3% 0.139 37.7);

Tailwind

colors: {
  custom: {
    50: '#c4765c',
    500: '#a03d1d',
    950: '#000000',
  },
}

SCSS

$custom: #a03d1d;
$custom-light: #c4765c;
$custom-dark: #000000;

JSON

{
  "hex": "#a03d1d",
  "rgb": {
    "r": 160,
    "g": 61,
    "b": 29
  },
  "hsl": {
    "h": 14.656,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49264,
    "c": 0.13902,
    "h": 37.7
  },
  "luminance": 0.109
}

Semantic roles & 50–950 ramp

primary

#A03D1D

secondary

#55A9C4

accent

#C1EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03D1D

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

Preview Lab → · Contrast checker → · Palette generator →