#A42B3F#A42B3F

#A42B3F is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.156 H 16.1°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#A42B3F
RGB	rgb(164, 43, 63)
HSL	hsl(350, 58%, 41%)
HSV	hsv(350, 74%, 64%)
CMYK	cmyk(0%, 73.8%, 61.6%, 35.7%)
CIE-LAB	lab(37.81, 50.18, 17.83)
CIE-LCH	lch(37.81, 53.25, 19.56°)
OKLab	oklab(48.35% 0.1502 0.0435)
OKLCH	oklch(48.35% 0.156 16.1)
XYZ	xyz(17.0726, 9.9816, 5.7293)
Luminance	0.0998 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B3F #2BA490

analogous

#A42B7B #A42B3F #A4542B

triadic

#A42B3F #3FA42B #2B3FA4

tetradic

#A42B3F #7BA42B #2BA490 #542BA4

square

#A42B3F #7BA42B #2BA490 #542BA4

split-complementary

#A42B3F #2BA454 #2B7BA4

monochromatic

#43121A #741E2C #A42B3F #CD3F57 #D97081

Accessibility & contrast

On white

7.01

#A42B3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#A42B3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42B3F

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B3F	#FFFFFF	#000000	##FFFFFF
##A42B3F	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C493F

Deuteranopia (green-blind)

#6B623C

Tritanopia (blue-blind)

#B40233

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42b3f;
/* rgb */ color: rgb(164, 43, 63);
/* oklch */ color: oklch(48.3% 0.156 16.1);

Tailwind

colors: {
  custom: {
    50: '#c66e73',
    500: '#a42b3f',
    950: '#000000',
  },
}

SCSS

$custom: #a42b3f;
$custom-light: #c66e73;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b3f",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 63
  },
  "hsl": {
    "h": 350.083,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.15634,
    "h": 16.1
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#A42B3F

secondary

#6AC1B2

accent

#E2C846

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42B3F

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

Preview Lab → · Contrast checker → · Palette generator →