#A42727#A42727

#A42727 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.162 H 25.9°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A42727
RGB	rgb(164, 39, 39)
HSL	hsl(0, 62%, 40%)
HSV	hsv(0, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 76.2%, 35.7%)
CIE-LAB	lab(36.92, 50.29, 31.59)
CIE-LCH	lch(36.92, 59.39, 32.14°)
OKLab	oklab(47.56% 0.1454 0.0705)
OKLCH	oklch(47.56% 0.162 25.9)
XYZ	xyz(16.4035, 9.4926, 2.8876)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42727 #27A4A4

analogous

#A42766 #A42727 #A46627

triadic

#A42727 #27A427 #2727A4

tetradic

#A42727 #66A427 #27A4A4 #6627A4

square

#A42727 #66A427 #27A4A4 #6627A4

split-complementary

#A42727 #27A466 #2766A4

monochromatic

#410F0F #731B1B #A42727 #D03838 #DC6A6A

Accessibility & contrast

On white

7.25

#A42727 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A42727 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42727

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42727	#FFFFFF	#000000	##FFFFFF
##A42727	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4625

Deuteranopia (green-blind)

#6C6122

Tritanopia (blue-blind)

#B50029

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42727;
/* rgb */ color: rgb(164, 39, 39);
/* oklch */ color: oklch(47.6% 0.162 25.9);

Tailwind

colors: {
  custom: {
    50: '#c76c61',
    500: '#a42727',
    950: '#000000',
  },
}

SCSS

$custom: #a42727;
$custom-light: #c76c61;
$custom-dark: #000000;

JSON

{
  "hex": "#a42727",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 39
  },
  "hsl": {
    "h": 0,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47559,
    "c": 0.16159,
    "h": 25.9
  },
  "luminance": 0.0949
}

Semantic roles & 50–950 ramp

primary

#A42727

secondary

#65C2C2

accent

#E5E543

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A42727

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

Preview Lab → · Contrast checker → · Palette generator →