#AD2B25#AD2B25

#AD2B25 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 27.8°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B25
RGB	rgb(173, 43, 37)
HSL	hsl(3, 65%, 41%)
HSV	hsv(3, 79%, 68%)
CMYK	cmyk(0%, 75.1%, 78.6%, 32.2%)
CIE-LAB	lab(39.15, 51.69, 35.68)
CIE-LCH	lch(39.15, 62.81, 34.62°)
OKLab	oklab(49.54% 0.1483 0.0782)
OKLCH	oklch(49.54% 0.168 27.8)
XYZ	xyz(18.4336, 10.7484, 2.8540)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B25 #25A7AD

analogous

#AD2563 #AD2B25 #AD6F25

triadic

#AD2B25 #25AD2B #2B25AD

tetradic

#AD2B25 #63AD25 #25A7AD #6F25AD

square

#AD2B25 #63AD25 #25A7AD #6F25AD

split-complementary

#AD2B25 #25AD6F #2563AD

monochromatic

#48120F #7B1E1A #AD2B25 #D5413A #E0726D

Accessibility & contrast

On white

6.67

#AD2B25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD2B25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B25

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B25	#FFFFFF	#000000	##FFFFFF
##AD2B25	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A23

Deuteranopia (green-blind)

#73661F

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b25;
/* rgb */ color: rgb(173, 43, 37);
/* oklch */ color: oklch(49.5% 0.168 27.8);

Tailwind

colors: {
  custom: {
    50: '#ce6f60',
    500: '#ad2b25',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b25;
$custom-light: #ce6f60;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b25",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 37
  },
  "hsl": {
    "h": 2.647,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49536,
    "c": 0.16762,
    "h": 27.8
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#AD2B25

secondary

#68C2C6

accent

#E0E840

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2B25

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

Preview Lab → · Contrast checker → · Palette generator →