#AD3A40#AD3A40

#AD3A40 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.5% C 0.150 H 21.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#AD3A40
RGB	rgb(173, 58, 64)
HSL	hsl(357, 50%, 45%)
HSV	hsv(357, 66%, 68%)
CMYK	cmyk(0%, 66.5%, 63%, 32.2%)
CIE-LAB	lab(41.66, 47.22, 22.54)
CIE-LCH	lch(41.66, 52.33, 25.51°)
OKLab	oklab(51.54% 0.1398 0.0542)
OKLCH	oklch(51.54% 0.15 21.2)
XYZ	xyz(19.6740, 12.2832, 6.1844)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3A40 #3AADA7

analogous

#AD3A79 #AD3A40 #AD6E3A

triadic

#AD3A40 #40AD3A #3A40AD

tetradic

#AD3A40 #79AD3A #3AADA7 #6E3AAD

square

#AD3A40 #79AD3A #3AADA7 #6E3AAD

split-complementary

#AD3A40 #3AAD6E #3A79AD

monochromatic

#511B1E #7F2B2F #AD3A40 #C85C62 #D88A8E

Accessibility & contrast

On white

6.08

#AD3A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#AD3A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3A40

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3A40	#FFFFFF	#000000	##FFFFFF
##AD3A40	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#756B3D

Tritanopia (blue-blind)

#BE203D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ad3a40;
/* rgb */ color: rgb(173, 58, 64);
/* oklch */ color: oklch(51.5% 0.150 21.2);

Tailwind

colors: {
  custom: {
    50: '#cc7774',
    500: '#ad3a40',
    950: '#000000',
  },
}

SCSS

$custom: #ad3a40;
$custom-light: #cc7774;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3a40",
  "rgb": {
    "r": 173,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 356.87,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51535,
    "c": 0.14993,
    "h": 21.2
  },
  "luminance": 0.12281
}

Semantic roles & 50–950 ramp

primary

#AD3A40

secondary

#81C2BF

accent

#D9D24E

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD3A40

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

Preview Lab → · Contrast checker → · Palette generator →