#AD351F#AD351F

#AD351F is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.160 H 32.6°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#AD351F
RGB	rgb(173, 53, 31)
HSL	hsl(9, 70%, 40%)
HSV	hsv(9, 82%, 68%)
CMYK	cmyk(0%, 69.4%, 82.1%, 32.2%)
CIE-LAB	lab(40.46, 47.72, 40.25)
CIE-LCH	lch(40.46, 62.43, 40.14°)
OKLab	oklab(50.5% 0.1347 0.0862)
OKLCH	oklch(50.5% 0.16 32.6)
XYZ	xyz(18.7562, 11.5322, 2.5344)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD351F #1F97AD

analogous

#AD1F50 #AD351F #AD7C1F

triadic

#AD351F #1FAD35 #351FAD

tetradic

#AD351F #50AD1F #1F97AD #7C1FAD

square

#AD351F #50AD1F #1F97AD #7C1FAD

split-complementary

#AD351F #1FAD7C #1F50AD

monochromatic

#45150C #792516 #AD351F #DA4A2F #E37763

Accessibility & contrast

On white

6.35

#AD351F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AD351F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD351F

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD351F	#FFFFFF	#000000	##FFFFFF
##AD351F	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F1B

Deuteranopia (green-blind)

#766919

Tritanopia (blue-blind)

#BF0831

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad351f;
/* rgb */ color: rgb(173, 53, 31);
/* oklch */ color: oklch(50.5% 0.160 32.6);

Tailwind

colors: {
  custom: {
    50: '#ce735d',
    500: '#ad351f',
    950: '#000000',
  },
}

SCSS

$custom: #ad351f;
$custom-light: #ce735d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad351f",
  "rgb": {
    "r": 173,
    "g": 53,
    "b": 31
  },
  "hsl": {
    "h": 9.296,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.50497,
    "c": 0.15993,
    "h": 32.6
  },
  "luminance": 0.11529
}

Semantic roles & 50–950 ramp

primary

#AD351F

secondary

#60B8C8

accent

#D1EC3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD351F

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

Preview Lab → · Contrast checker → · Palette generator →