#AD2A25#AD2A25

#AD2A25 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.168 H 27.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#AD2A25
RGB	rgb(173, 42, 37)
HSL	hsl(2, 65%, 41%)
HSV	hsv(2, 79%, 68%)
CMYK	cmyk(0%, 75.7%, 78.6%, 32.2%)
CIE-LAB	lab(39.03, 52.03, 35.55)
CIE-LCH	lch(39.03, 63.02, 34.34°)
OKLab	oklab(49.45% 0.1494 0.0779)
OKLCH	oklch(49.45% 0.168 27.5)
XYZ	xyz(18.3977, 10.6766, 2.8420)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2A25 #25A8AD

analogous

#AD2564 #AD2A25 #AD6E25

triadic

#AD2A25 #25AD2A #2A25AD

tetradic

#AD2A25 #64AD25 #25A8AD #6E25AD

square

#AD2A25 #64AD25 #25A8AD #6E25AD

split-complementary

#AD2A25 #25AD6E #2564AD

monochromatic

#48120F #7B1E1A #AD2A25 #D5403A #E0716D

Accessibility & contrast

On white

6.70

#AD2A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AD2A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2A25

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2A25	#FFFFFF	#000000	##FFFFFF
##AD2A25	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A23

Deuteranopia (green-blind)

#72661F

Tritanopia (blue-blind)

#BF002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2a25;
/* rgb */ color: rgb(173, 42, 37);
/* oklch */ color: oklch(49.4% 0.168 27.5);

Tailwind

colors: {
  custom: {
    50: '#ce6e60',
    500: '#ad2a25',
    950: '#000000',
  },
}

SCSS

$custom: #ad2a25;
$custom-light: #ce6e60;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2a25",
  "rgb": {
    "r": 173,
    "g": 42,
    "b": 37
  },
  "hsl": {
    "h": 2.206,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49445,
    "c": 0.16845,
    "h": 27.5
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#AD2A25

secondary

#68C3C6

accent

#E2E840

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #AD2A25

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

Preview Lab → · Contrast checker → · Palette generator →