#A42A27#A42A27

#A42A27 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.159 H 26.7°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#A42A27
RGB	rgb(164, 42, 39)
HSL	hsl(1, 62%, 40%)
HSV	hsv(1, 76%, 64%)
CMYK	cmyk(0%, 74.4%, 76.2%, 35.7%)
CIE-LAB	lab(37.29, 49.24, 32.01)
CIE-LCH	lch(37.29, 58.73, 33.03°)
OKLab	oklab(47.84% 0.1421 0.0714)
OKLCH	oklch(47.84% 0.159 26.7)
XYZ	xyz(16.5059, 9.6975, 2.9217)
Luminance	0.0969 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A27 #27A1A4

analogous

#A42763 #A42A27 #A46927

triadic

#A42A27 #27A42A #2A27A4

tetradic

#A42A27 #63A427 #27A1A4 #6927A4

square

#A42A27 #63A427 #27A1A4 #6927A4

split-complementary

#A42A27 #27A469 #2763A4

monochromatic

#41110F #731D1B #A42A27 #D03C38 #DC6D6A

Accessibility & contrast

On white

7.15

#A42A27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A42A27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A27

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A27	#FFFFFF	#000000	##FFFFFF
##A42A27	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4725

Deuteranopia (green-blind)

#6D6122

Tritanopia (blue-blind)

#B5002B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a27;
/* rgb */ color: rgb(164, 42, 39);
/* oklch */ color: oklch(47.8% 0.159 26.7);

Tailwind

colors: {
  custom: {
    50: '#c76d61',
    500: '#a42a27',
    950: '#000000',
  },
}

SCSS

$custom: #a42a27;
$custom-light: #c76d61;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a27",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 39
  },
  "hsl": {
    "h": 1.44,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47841,
    "c": 0.15902,
    "h": 26.7
  },
  "luminance": 0.09695
}

Semantic roles & 50–950 ramp

primary

#A42A27

secondary

#65C0C2

accent

#E1E543

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42A27

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

Preview Lab → · Contrast checker → · Palette generator →