#A42340#A42340

#A42340 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.164 H 13.8°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A42340
RGB	rgb(164, 35, 64)
HSL	hsl(347, 65%, 39%)
HSV	hsv(347, 79%, 64%)
CMYK	cmyk(0%, 78.7%, 61%, 35.7%)
CIE-LAB	lab(36.87, 52.93, 15.94)
CIE-LCH	lch(36.87, 55.28, 16.76°)
OKLab	oklab(47.66% 0.1592 0.0392)
OKLCH	oklch(47.66% 0.164 13.8)
XYZ	xyz(16.8380, 9.4672, 5.7902)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42340 #23A487

analogous

#A42381 #A42340 #A44723

triadic

#A42340 #40A423 #2340A4

tetradic

#A42340 #81A423 #23A487 #4723A4

square

#A42340 #81A423 #23A487 #4723A4

split-complementary

#A42340 #23A447 #2381A4

monochromatic

#3F0D19 #72182C #A42340 #D33156 #DE647F

Accessibility & contrast

On white

7.26

#A42340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A42340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42340

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42340	#FFFFFF	#000000	##FFFFFF
##A42340	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474640

Deuteranopia (green-blind)

#68603D

Tritanopia (blue-blind)

#B4002F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42340;
/* rgb */ color: rgb(164, 35, 64);
/* oklch */ color: oklch(47.7% 0.164 13.8);

Tailwind

colors: {
  custom: {
    50: '#c66b74',
    500: '#a42340',
    950: '#000000',
  },
}

SCSS

$custom: #a42340;
$custom-light: #c66b74;
$custom-dark: #000000;

JSON

{
  "hex": "#a42340",
  "rgb": {
    "r": 164,
    "g": 35,
    "b": 64
  },
  "hsl": {
    "h": 346.512,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47658,
    "c": 0.16396,
    "h": 13.8
  },
  "luminance": 0.09465
}

Semantic roles & 50–950 ramp

primary

#A42340

secondary

#60C3AD

accent

#E8C240

background

#FDF6F7

surface

#FAECED

border

#D3C7C8

text

#140708

muted

#837A7B

Preview Lab

Preview with #A42340

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

Preview Lab → · Contrast checker → · Palette generator →