#AD3B25#AD3B25

#AD3B25 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.153 H 32.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AD3B25
RGB	rgb(173, 59, 37)
HSL	hsl(10, 65%, 41%)
HSV	hsv(10, 79%, 68%)
CMYK	cmyk(0%, 65.9%, 78.6%, 32.2%)
CIE-LAB	lab(41.45, 45.40, 38.07)
CIE-LCH	lch(41.45, 59.25, 39.98°)
OKLab	oklab(51.26% 0.1286 0.0834)
OKLCH	oklch(51.26% 0.153 32.9)
XYZ	xyz(19.1336, 12.1485, 3.0873)
Luminance	0.1215 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3B25 #2597AD

analogous

#AD2553 #AD3B25 #AD7F25

triadic

#AD3B25 #25AD3B #3B25AD

tetradic

#AD3B25 #53AD25 #2597AD #7F25AD

square

#AD3B25 #53AD25 #2597AD #7F25AD

split-complementary

#AD3B25 #25AD7F #2553AD

monochromatic

#48190F #7B2A1A #AD3B25 #D5533A #E07F6D

Accessibility & contrast

On white

6.12

#AD3B25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AD3B25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3B25

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3B25	#FFFFFF	#000000	##FFFFFF
##AD3B25	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5222

Deuteranopia (green-blind)

#786B21

Tritanopia (blue-blind)

#BF1B37

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3b25;
/* rgb */ color: rgb(173, 59, 37);
/* oklch */ color: oklch(51.3% 0.153 32.9);

Tailwind

colors: {
  custom: {
    50: '#ce7761',
    500: '#ad3b25',
    950: '#000000',
  },
}

SCSS

$custom: #ad3b25;
$custom-light: #ce7761;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3b25",
  "rgb": {
    "r": 173,
    "g": 59,
    "b": 37
  },
  "hsl": {
    "h": 9.706,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.15328,
    "h": 32.9
  },
  "luminance": 0.12146
}

Semantic roles & 50–950 ramp

primary

#AD3B25

secondary

#68B7C6

accent

#CDE840

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3B25

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

Preview Lab → · Contrast checker → · Palette generator →