#A42F27#A42F27

#A42F27 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.155 H 28.2°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A42F27
RGB	rgb(164, 47, 39)
HSL	hsl(4, 62%, 40%)
HSV	hsv(4, 76%, 64%)
CMYK	cmyk(0%, 71.3%, 76.2%, 35.7%)
CIE-LAB	lab(37.98, 47.36, 32.76)
CIE-LCH	lch(37.98, 57.59, 34.67°)
OKLab	oklab(48.35% 0.1362 0.0731)
OKLCH	oklch(48.35% 0.155 28.2)
XYZ	xyz(16.6945, 10.0745, 2.9846)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F27 #279CA4

analogous

#A4275E #A42F27 #A46E27

triadic

#A42F27 #27A42F #2F27A4

tetradic

#A42F27 #5EA427 #279CA4 #6E27A4

square

#A42F27 #5EA427 #279CA4 #6E27A4

split-complementary

#A42F27 #27A46E #275EA4

monochromatic

#41130F #73211B #A42F27 #D04238 #DC716A

Accessibility & contrast

On white

6.97

#A42F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A42F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F27

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F27	#FFFFFF	#000000	##FFFFFF
##A42F27	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514925

Deuteranopia (green-blind)

#6E6323

Tritanopia (blue-blind)

#B5012E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42f27;
/* rgb */ color: rgb(164, 47, 39);
/* oklch */ color: oklch(48.4% 0.155 28.2);

Tailwind

colors: {
  custom: {
    50: '#c76f62',
    500: '#a42f27',
    950: '#000000',
  },
}

SCSS

$custom: #a42f27;
$custom-light: #c76f62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f27",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 39
  },
  "hsl": {
    "h": 3.84,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4835,
    "c": 0.15452,
    "h": 28.2
  },
  "luminance": 0.10072
}

Semantic roles & 50–950 ramp

primary

#A42F27

secondary

#65BCC2

accent

#DAE543

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42F27

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

Preview Lab → · Contrast checker → · Palette generator →