#A42A3B#A42A3B

#A42A3B is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.2% C 0.157 H 17.9°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#A42A3B
RGB	rgb(164, 42, 59)
HSL	hsl(352, 59%, 40%)
HSV	hsv(352, 74%, 64%)
CMYK	cmyk(0%, 74.4%, 64%, 35.7%)
CIE-LAB	lab(37.60, 50.28, 20.09)
CIE-LCH	lch(37.60, 54.14, 21.78°)
OKLab	oklab(48.17% 0.1497 0.0483)
OKLCH	oklch(48.17% 0.157 17.9)
XYZ	xyz(16.9290, 9.8667, 5.1499)
Luminance	0.0986 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A3B #2AA493

analogous

#A42A78 #A42A3B #A4562A

triadic

#A42A3B #3BA42A #2A3BA4

tetradic

#A42A3B #78A42A #2AA493 #562AA4

square

#A42A3B #78A42A #2AA493 #562AA4

split-complementary

#A42A3B #2AA456 #2A78A4

monochromatic

#431118 #731E29 #A42A3B #CD3E52 #DA6E7D

Accessibility & contrast

On white

7.06

#A42A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A42A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A3B

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A3B	#FFFFFF	#000000	##FFFFFF
##A42A3B	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C483B

Deuteranopia (green-blind)

#6B6238

Tritanopia (blue-blind)

#B40031

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a3b;
/* rgb */ color: rgb(164, 42, 59);
/* oklch */ color: oklch(48.2% 0.157 17.9);

Tailwind

colors: {
  custom: {
    50: '#c66e70',
    500: '#a42a3b',
    950: '#000000',
  },
}

SCSS

$custom: #a42a3b;
$custom-light: #c66e70;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a3b",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 59
  },
  "hsl": {
    "h": 351.639,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48169,
    "c": 0.15732,
    "h": 17.9
  },
  "luminance": 0.09864
}

Semantic roles & 50–950 ramp

primary

#A42A3B

secondary

#69C1B5

accent

#E2CD45

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42A3B

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

Preview Lab → · Contrast checker → · Palette generator →