#A42538#A42538

#A42538 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.162 H 18.1°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A42538
RGB	rgb(164, 37, 56)
HSL	hsl(351, 63%, 39%)
HSV	hsv(351, 77%, 64%)
CMYK	cmyk(0%, 77.4%, 65.9%, 35.7%)
CIE-LAB	lab(36.94, 51.80, 21.13)
CIE-LCH	lch(36.94, 55.94, 22.19°)
OKLab	oklab(47.66% 0.154 0.0504)
OKLCH	oklch(47.66% 0.162 18.1)
XYZ	xyz(16.6870, 9.5037, 4.6963)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42538 #25A491

analogous

#A42577 #A42538 #A45225

triadic

#A42538 #38A425 #2538A4

tetradic

#A42538 #77A425 #25A491 #5225A4

square

#A42538 #77A425 #25A491 #5225A4

split-complementary

#A42538 #25A452 #2577A4

monochromatic

#400E16 #721A27 #A42538 #D1354C #DD6778

Accessibility & contrast

On white

7.24

#A42538 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A42538 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42538

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42538	#FFFFFF	#000000	##FFFFFF
##A42538	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4638

Deuteranopia (green-blind)

#6A6134

Tritanopia (blue-blind)

#B4002D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42538;
/* rgb */ color: rgb(164, 37, 56);
/* oklch */ color: oklch(47.7% 0.162 18.1);

Tailwind

colors: {
  custom: {
    50: '#c66b6e',
    500: '#a42538',
    950: '#000000',
  },
}

SCSS

$custom: #a42538;
$custom-light: #c66b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42538",
  "rgb": {
    "r": 164,
    "g": 37,
    "b": 56
  },
  "hsl": {
    "h": 351.024,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47657,
    "c": 0.162,
    "h": 18.1
  },
  "luminance": 0.09501
}

Semantic roles & 50–950 ramp

primary

#A42538

secondary

#62C2B4

accent

#E6CE42

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A42538

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

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