#A42525#A42525

#A42525 is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.163 H 26.1°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#A42525
RGB	rgb(164, 37, 37)
HSL	hsl(0, 63%, 39%)
HSV	hsv(0, 77%, 64%)
CMYK	cmyk(0%, 77.4%, 77.4%, 35.7%)
CIE-LAB	lab(36.65, 50.88, 32.49)
CIE-LCH	lch(36.65, 60.37, 32.56°)
OKLab	oklab(47.36% 0.1468 0.0719)
OKLCH	oklch(47.36% 0.163 26.1)
XYZ	xyz(16.3073, 9.3518, 2.6963)
Luminance	0.0935 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42525 #25A4A4

analogous

#A42565 #A42525 #A46525

triadic

#A42525 #25A425 #2525A4

tetradic

#A42525 #65A425 #25A4A4 #6525A4

square

#A42525 #65A425 #25A4A4 #6525A4

split-complementary

#A42525 #25A465 #2565A4

monochromatic

#400E0E #721A1A #A42525 #D13535 #DD6767

Accessibility & contrast

On white

7.32

#A42525 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#A42525 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42525

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42525	#FFFFFF	#000000	##FFFFFF
##A42525	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4523

Deuteranopia (green-blind)

#6B6020

Tritanopia (blue-blind)

#B50027

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a42525;
/* rgb */ color: rgb(164, 37, 37);
/* oklch */ color: oklch(47.4% 0.163 26.1);

Tailwind

colors: {
  custom: {
    50: '#c86b60',
    500: '#a42525',
    950: '#000000',
  },
}

SCSS

$custom: #a42525;
$custom-light: #c86b60;
$custom-dark: #000000;

JSON

{
  "hex": "#a42525",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 37
  },
  "hsl": {
    "h": 0,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47356,
    "c": 0.16349,
    "h": 26.1
  },
  "luminance": 0.09349
}

Semantic roles & 50–950 ramp

primary

#A42525

secondary

#62C2C2

accent

#E6E642

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150705

muted

#837A79

Preview Lab

Preview with #A42525

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

Preview Lab → · Contrast checker → · Palette generator →