#AD3A1A#AD3A1A

#AD3A1A is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.156 H 35.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A1A
RGB	rgb(173, 58, 26)
HSL	hsl(13, 74%, 39%)
HSV	hsv(13, 85%, 68%)
CMYK	cmyk(0%, 66.5%, 85%, 32.2%)
CIE-LAB	lab(41.20, 45.48, 43.38)
CIE-LCH	lch(41.20, 62.85, 43.64°)
OKLab	oklab(51.04% 0.1269 0.0913)
OKLCH	oklch(51.04% 0.156 35.7)
XYZ	xyz(18.9353, 11.9877, 2.2939)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A1A #1A8DAD

analogous

#AD1A44 #AD3A1A #AD841A

triadic

#AD3A1A #1AAD3A #3A1AAD

tetradic

#AD3A1A #44AD1A #1A8DAD #841AAD

square

#AD3A1A #44AD1A #1A8DAD #841AAD

split-complementary

#AD3A1A #1AAD84 #1A44AD

monochromatic

#43160A #782812 #AD3A1A #DE4E26 #E6795B

Accessibility & contrast

On white

6.18

#AD3A1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AD3A1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A1A

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A1A	#FFFFFF	#000000	##FFFFFF
##AD3A1A	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5114

Deuteranopia (green-blind)

#786B14

Tritanopia (blue-blind)

#BF1634

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a1a;
/* rgb */ color: rgb(173, 58, 26);
/* oklch */ color: oklch(51.0% 0.156 35.7);

Tailwind

colors: {
  custom: {
    50: '#ce765a',
    500: '#ad3a1a',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a1a;
$custom-light: #ce765a;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a1a",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 26
  },
  "hsl": {
    "h": 13.061,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.51036,
    "c": 0.15636,
    "h": 35.7
  },
  "luminance": 0.11985
}

Semantic roles & 50–950 ramp

primary

#AD3A1A

secondary

#59B1CA

accent

#C8F137

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3A1A

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

Preview Lab → · Contrast checker → · Palette generator →