#AD3421#AD3421

#AD3421 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.160 H 31.7°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AD3421
RGB	rgb(173, 52, 33)
HSL	hsl(8, 68%, 40%)
HSV	hsv(8, 81%, 68%)
CMYK	cmyk(0%, 69.9%, 80.9%, 32.2%)
CIE-LAB	lab(40.33, 48.19, 39.08)
CIE-LCH	lch(40.33, 62.04, 39.04°)
OKLab	oklab(50.41% 0.1365 0.0843)
OKLCH	oklch(50.41% 0.16 31.7)
XYZ	xyz(18.7383, 11.4529, 2.6625)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3421 #219AAD

analogous

#AD2154 #AD3421 #AD7A21

triadic

#AD3421 #21AD34 #3421AD

tetradic

#AD3421 #54AD21 #219AAD #7A21AD

square

#AD3421 #54AD21 #219AAD #7A21AD

split-complementary

#AD3421 #21AD7A #2154AD

monochromatic

#46150D #7A2517 #AD3421 #D84933 #E27766

Accessibility & contrast

On white

6.38

#AD3421 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AD3421 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3421

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3421	#FFFFFF	#000000	##FFFFFF
##AD3421	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1E

Deuteranopia (green-blind)

#76691B

Tritanopia (blue-blind)

#BF0531

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3421;
/* rgb */ color: rgb(173, 52, 33);
/* oklch */ color: oklch(50.4% 0.160 31.7);

Tailwind

colors: {
  custom: {
    50: '#ce735e',
    500: '#ad3421',
    950: '#000000',
  },
}

SCSS

$custom: #ad3421;
$custom-light: #ce735e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3421",
  "rgb": {
    "r": 173,
    "g": 52,
    "b": 33
  },
  "hsl": {
    "h": 8.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50405,
    "c": 0.16047,
    "h": 31.7
  },
  "luminance": 0.1145
}

Semantic roles & 50–950 ramp

primary

#AD3421

secondary

#62BAC7

accent

#D3EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AD3421

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

Preview Lab → · Contrast checker → · Palette generator →