#AD3E1F#AD3E1F

#AD3E1F is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.152 H 36.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#AD3E1F
RGB	rgb(173, 62, 31)
HSL	hsl(13, 70%, 40%)
HSV	hsv(13, 82%, 68%)
CMYK	cmyk(0%, 64.2%, 82.1%, 32.2%)
CIE-LAB	lab(41.89, 43.86, 41.61)
CIE-LCH	lch(41.89, 60.46, 43.49°)
OKLab	oklab(51.57% 0.1228 0.0892)
OKLCH	oklch(51.57% 0.152 36)
XYZ	xyz(19.2057, 12.4312, 2.6842)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3E1F #1F8EAD

analogous

#AD1F47 #AD3E1F #AD851F

triadic

#AD3E1F #1FAD3E #3E1FAD

tetradic

#AD3E1F #47AD1F #1F8EAD #851FAD

square

#AD3E1F #47AD1F #1F8EAD #851FAD

split-complementary

#AD3E1F #1FAD85 #1F47AD

monochromatic

#45190C #792B16 #AD3E1F #DA552F #E37F63

Accessibility & contrast

On white

6.02

#AD3E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#AD3E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3E1F

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3E1F	#FFFFFF	#000000	##FFFFFF
##AD3E1F	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E531A

Deuteranopia (green-blind)

#796C1A

Tritanopia (blue-blind)

#BF2038

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3e1f;
/* rgb */ color: rgb(173, 62, 31);
/* oklch */ color: oklch(51.6% 0.152 36.0);

Tailwind

colors: {
  custom: {
    50: '#ce785d',
    500: '#ad3e1f',
    950: '#000000',
  },
}

SCSS

$custom: #ad3e1f;
$custom-light: #ce785d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3e1f",
  "rgb": {
    "r": 173,
    "g": 62,
    "b": 31
  },
  "hsl": {
    "h": 13.099,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.51572,
    "c": 0.15176,
    "h": 36
  },
  "luminance": 0.12428
}

Semantic roles & 50–950 ramp

primary

#AD3E1F

secondary

#60B1C8

accent

#C6EC3B

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3E1F

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

Preview Lab → · Contrast checker → · Palette generator →