#A42E3F#A42E3F

#A42E3F is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.6% C 0.153 H 17.0°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A42E3F
RGB	rgb(164, 46, 63)
HSL	hsl(351, 56%, 41%)
HSV	hsv(351, 72%, 64%)
CMYK	cmyk(0%, 72%, 61.6%, 35.7%)
CIE-LAB	lab(38.21, 49.06, 18.36)
CIE-LCH	lch(38.21, 52.38, 20.52°)
OKLab	oklab(48.65% 0.1466 0.0447)
OKLCH	oklch(48.65% 0.153 17)
XYZ	xyz(17.1858, 10.2078, 5.7670)
Luminance	0.1021 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42E3F #2EA493

analogous

#A42E7A #A42E3F #A4582E

triadic

#A42E3F #3FA42E #2E3FA4

tetradic

#A42E3F #7AA42E #2EA493 #582EA4

square

#A42E3F #7AA42E #2EA493 #582EA4

split-complementary

#A42E3F #2EA458 #2E7AA4

monochromatic

#44131A #74212D #A42E3F #CB4558 #D87483

Accessibility & contrast

On white

6.91

#A42E3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A42E3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42E3F

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42E3F	#FFFFFF	#000000	##FFFFFF
##A42E3F	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A3F

Deuteranopia (green-blind)

#6C633C

Tritanopia (blue-blind)

#B40C35

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a42e3f;
/* rgb */ color: rgb(164, 46, 63);
/* oklch */ color: oklch(48.6% 0.153 17.0);

Tailwind

colors: {
  custom: {
    50: '#c66f73',
    500: '#a42e3f',
    950: '#000000',
  },
}

SCSS

$custom: #a42e3f;
$custom-light: #c66f73;
$custom-dark: #000000;

JSON

{
  "hex": "#a42e3f",
  "rgb": {
    "r": 164,
    "g": 46,
    "b": 63
  },
  "hsl": {
    "h": 351.356,
    "s": 56.19,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48648,
    "c": 0.15326,
    "h": 17
  },
  "luminance": 0.10205
}

Semantic roles & 50–950 ramp

primary

#A42E3F

secondary

#6EC0B4

accent

#DFCA48

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42E3F

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

Preview Lab → · Contrast checker → · Palette generator →