#A42840#A42840

#A42840 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.159 H 14.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A42840
RGB	rgb(164, 40, 64)
HSL	hsl(348, 61%, 40%)
HSV	hsv(348, 76%, 64%)
CMYK	cmyk(0%, 75.6%, 61%, 35.7%)
CIE-LAB	lab(37.45, 51.30, 16.72)
CIE-LCH	lch(37.45, 53.96, 18.05°)
OKLab	oklab(48.09% 0.154 0.041)
OKLCH	oklch(48.09% 0.159 14.9)
XYZ	xyz(16.9958, 9.7827, 5.8428)
Luminance	0.0978 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42840 #28A48C

analogous

#A4287E #A42840 #A44E28

triadic

#A42840 #40A428 #2840A4

tetradic

#A42840 #7EA428 #28A48C #4E28A4

square

#A42840 #7EA428 #28A48C #4E28A4

split-complementary

#A42840 #28A44E #287EA4

monochromatic

#42101A #731C2D #A42840 #CF3A57 #DB6B81

Accessibility & contrast

On white

7.10

#A42840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A42840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42840

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42840	#FFFFFF	#000000	##FFFFFF
##A42840	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4840

Deuteranopia (green-blind)

#6A613D

Tritanopia (blue-blind)

#B40032

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42840;
/* rgb */ color: rgb(164, 40, 64);
/* oklch */ color: oklch(48.1% 0.159 14.9);

Tailwind

colors: {
  custom: {
    50: '#c66d74',
    500: '#a42840',
    950: '#000000',
  },
}

SCSS

$custom: #a42840;
$custom-light: #c66d74;
$custom-dark: #000000;

JSON

{
  "hex": "#a42840",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 64
  },
  "hsl": {
    "h": 348.387,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.48088,
    "c": 0.15933,
    "h": 14.9
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary

#A42840

secondary

#66C1B0

accent

#E4C544

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42840

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

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