#AD2638#AD2638

#AD2638 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.4% C 0.170 H 19.3°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#AD2638
RGB	rgb(173, 38, 56)
HSL	hsl(352, 64%, 41%)
HSV	hsv(352, 78%, 68%)
CMYK	cmyk(0%, 78%, 67.6%, 32.2%)
CIE-LAB	lab(38.83, 54.18, 23.89)
CIE-LCH	lch(38.83, 59.22, 23.79°)
OKLab	oklab(49.38% 0.1604 0.0563)
OKLCH	oklch(49.38% 0.17 19.3)
XYZ	xyz(18.6426, 10.5588, 4.7971)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2638 #26AD9B

analogous

#AD267C #AD2638 #AD5826

triadic

#AD2638 #38AD26 #2638AD

tetradic

#AD2638 #7CAD26 #26AD9B #5826AD

square

#AD2638 #7CAD26 #26AD9B #5826AD

split-complementary

#AD2638 #26AD58 #267CAD

monochromatic

#491018 #7B1B28 #AD2638 #D43C50 #DF6E7D

Accessibility & contrast

On white

6.75

#AD2638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#AD2638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2638

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2638	#FFFFFF	#000000	##FFFFFF
##AD2638	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4938

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#BE002E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ad2638;
/* rgb */ color: rgb(173, 38, 56);
/* oklch */ color: oklch(49.4% 0.170 19.3);

Tailwind

colors: {
  custom: {
    50: '#cd6d6e',
    500: '#ad2638',
    950: '#000000',
  },
}

SCSS

$custom: #ad2638;
$custom-light: #cd6d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2638",
  "rgb": {
    "r": 173,
    "g": 38,
    "b": 56
  },
  "hsl": {
    "h": 352,
    "s": 63.981,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49377,
    "c": 0.16997,
    "h": 19.3
  },
  "luminance": 0.10556
}

Semantic roles & 50–950 ramp

primary

#AD2638

secondary

#69C6B9

accent

#E7D141

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD2638

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

Preview Lab → · Contrast checker → · Palette generator →