#A42639#A42639

#A42639 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.161 H 17.9°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#A42639
RGB	rgb(164, 38, 57)
HSL	hsl(351, 62%, 40%)
HSV	hsv(351, 77%, 64%)
CMYK	cmyk(0%, 76.8%, 65.2%, 35.7%)
CIE-LAB	lab(37.07, 51.53, 20.67)
CIE-LCH	lch(37.07, 55.52, 21.86°)
OKLab	oklab(47.76% 0.1533 0.0495)
OKLCH	oklch(47.76% 0.161 17.9)
XYZ	xyz(16.7433, 9.5767, 4.8370)
Luminance	0.0957 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42639 #26A491

analogous

#A42678 #A42639 #A45226

triadic

#A42639 #39A426 #2639A4

tetradic

#A42639 #78A426 #26A491 #5226A4

square

#A42639 #78A426 #26A491 #5226A4

split-complementary

#A42639 #26A452 #2678A4

monochromatic

#410F16 #721A28 #A42639 #D1374E #DC687A

Accessibility & contrast

On white

7.20

#A42639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A42639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42639

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42639	#FFFFFF	#000000	##FFFFFF
##A42639	1.00	7.20	2.91	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4639

Deuteranopia (green-blind)

#6A6135

Tritanopia (blue-blind)

#B4002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42639;
/* rgb */ color: rgb(164, 38, 57);
/* oklch */ color: oklch(47.8% 0.161 17.9);

Tailwind

colors: {
  custom: {
    50: '#c66c6f',
    500: '#a42639',
    950: '#000000',
  },
}

SCSS

$custom: #a42639;
$custom-light: #c66c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a42639",
  "rgb": {
    "r": 164,
    "g": 38,
    "b": 57
  },
  "hsl": {
    "h": 350.952,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47763,
    "c": 0.16109,
    "h": 17.9
  },
  "luminance": 0.09574
}

Semantic roles & 50–950 ramp

primary

#A42639

secondary

#64C2B4

accent

#E5CD42

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A42639

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

Preview Lab → · Contrast checker → · Palette generator →