#AD3A1F#AD3A1F

#AD3A1F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.1% C 0.155 H 34.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A1F
RGB	rgb(173, 58, 31)
HSL	hsl(11, 70%, 40%)
HSV	hsv(11, 82%, 68%)
CMYK	cmyk(0%, 66.5%, 82.1%, 32.2%)
CIE-LAB	lab(41.24, 45.63, 40.98)
CIE-LCH	lch(41.24, 61.33, 41.93°)
OKLab	oklab(51.08% 0.1282 0.0878)
OKLCH	oklch(51.08% 0.155 34.4)
XYZ	xyz(18.9961, 12.0121, 2.6144)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A1F #1F92AD

analogous

#AD1F4B #AD3A1F #AD811F

triadic

#AD3A1F #1FAD3A #3A1FAD

tetradic

#AD3A1F #4BAD1F #1F92AD #811FAD

square

#AD3A1F #4BAD1F #1F92AD #811FAD

split-complementary

#AD3A1F #1FAD81 #1F4BAD

monochromatic

#45170C #792916 #AD3A1F #DA502F #E37C63

Accessibility & contrast

On white

6.17

#AD3A1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AD3A1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A1F

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A1F	#FFFFFF	#000000	##FFFFFF
##AD3A1F	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511B

Deuteranopia (green-blind)

#786B1A

Tritanopia (blue-blind)

#BF1735

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3a1f;
/* rgb */ color: rgb(173, 58, 31);
/* oklch */ color: oklch(51.1% 0.155 34.4);

Tailwind

colors: {
  custom: {
    50: '#ce765d',
    500: '#ad3a1f',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a1f;
$custom-light: #ce765d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a1f",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 31
  },
  "hsl": {
    "h": 11.408,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.51077,
    "c": 0.15542,
    "h": 34.4
  },
  "luminance": 0.12009
}

Semantic roles & 50–950 ramp

primary

#AD3A1F

secondary

#60B4C8

accent

#CBEC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3A1F

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

Preview Lab → · Contrast checker → · Palette generator →