#A43540#A43540

#A43540 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.146 H 18.6°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A43540
RGB	rgb(164, 53, 64)
HSL	hsl(354, 51%, 43%)
HSV	hsv(354, 68%, 64%)
CMYK	cmyk(0%, 67.7%, 61%, 35.7%)
CIE-LAB	lab(39.26, 46.31, 19.11)
CIE-LCH	lch(39.26, 50.10, 22.42°)
OKLab	oklab(49.44% 0.138 0.0465)
OKLCH	oklch(49.44% 0.146 18.6)
XYZ	xyz(17.5100, 10.8113, 6.0142)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43540 #35A499

analogous

#A43578 #A43540 #A46135

triadic

#A43540 #40A435 #3540A4

tetradic

#A43540 #78A435 #35A499 #6135A4

square

#A43540 #78A435 #35A499 #6135A4

split-complementary

#A43540 #35A461 #3578A4

monochromatic

#47171C #76262E #A43540 #C6505C #D57E87

Accessibility & contrast

On white

6.64

#A43540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A43540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43540

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43540	#FFFFFF	#000000	##FFFFFF
##A43540	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#6E653D

Tritanopia (blue-blind)

#B41C3A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43540;
/* rgb */ color: rgb(164, 53, 64);
/* oklch */ color: oklch(49.4% 0.146 18.6);

Tailwind

colors: {
  custom: {
    50: '#c57374',
    500: '#a43540',
    950: '#000000',
  },
}

SCSS

$custom: #a43540;
$custom-light: #c57374;
$custom-dark: #000000;

JSON

{
  "hex": "#a43540",
  "rgb": {
    "r": 164,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.054,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49436,
    "c": 0.14564,
    "h": 18.6
  },
  "luminance": 0.10809
}

Semantic roles & 50–950 ramp

primary

#A43540

secondary

#76BEB7

accent

#DBCD4D

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A43540

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

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