#A42638#A42638

#A42638 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.161 H 18.4°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A42638
RGB	rgb(164, 38, 56)
HSL	hsl(351, 62%, 40%)
HSV	hsv(351, 77%, 64%)
CMYK	cmyk(0%, 76.8%, 65.9%, 35.7%)
CIE-LAB	lab(37.05, 51.47, 21.28)
CIE-LCH	lch(37.05, 55.70, 22.46°)
OKLab	oklab(47.74% 0.1529 0.0507)
OKLCH	oklch(47.74% 0.161 18.4)
XYZ	xyz(16.7186, 9.5668, 4.7069)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42638 #26A492

analogous

#A42677 #A42638 #A45326

triadic

#A42638 #38A426 #2638A4

tetradic

#A42638 #77A426 #26A492 #5326A4

square

#A42638 #77A426 #26A492 #5326A4

split-complementary

#A42638 #26A453 #2677A4

monochromatic

#410F16 #721A27 #A42638 #D1374D #DC6879

Accessibility & contrast

On white

7.21

#A42638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A42638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42638

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42638	#FFFFFF	#000000	##FFFFFF
##A42638	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4638

Deuteranopia (green-blind)

#6A6134

Tritanopia (blue-blind)

#B4002E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42638;
/* rgb */ color: rgb(164, 38, 56);
/* oklch */ color: oklch(47.7% 0.161 18.4);

Tailwind

colors: {
  custom: {
    50: '#c66c6e',
    500: '#a42638',
    950: '#000000',
  },
}

SCSS

$custom: #a42638;
$custom-light: #c66c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42638",
  "rgb": {
    "r": 164,
    "g": 38,
    "b": 56
  },
  "hsl": {
    "h": 351.429,
    "s": 62.376,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47744,
    "c": 0.16111,
    "h": 18.4
  },
  "luminance": 0.09564
}

Semantic roles & 50–950 ramp

primary

#A42638

secondary

#64C2B5

accent

#E5CE42

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A42638

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

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