#A43840#A43840

#A43840 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.142 H 19.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A43840
RGB	rgb(164, 56, 64)
HSL	hsl(356, 49%, 43%)
HSV	hsv(356, 66%, 64%)
CMYK	cmyk(0%, 65.9%, 61%, 35.7%)
CIE-LAB	lab(39.74, 45.02, 19.73)
CIE-LCH	lch(39.74, 49.15, 23.67°)
OKLab	oklab(49.79% 0.1339 0.048)
OKLCH	oklch(49.79% 0.142 19.7)
XYZ	xyz(17.6511, 11.0934, 6.0613)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43840 #38A49C

analogous

#A43876 #A43840 #A46638

triadic

#A43840 #40A438 #3840A4

tetradic

#A43840 #76A438 #38A49C #6638A4

square

#A43840 #76A438 #38A49C #6638A4

split-complementary

#A43840 #38A466 #3876A4

monochromatic

#49191C #76282E #A43840 #C5545D #D48288

Accessibility & contrast

On white

6.53

#A43840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A43840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43840

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43840	#FFFFFF	#000000	##FFFFFF
##A43840	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F40

Deuteranopia (green-blind)

#6F663D

Tritanopia (blue-blind)

#B4213C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43840;
/* rgb */ color: rgb(164, 56, 64);
/* oklch */ color: oklch(49.8% 0.142 19.7);

Tailwind

colors: {
  custom: {
    50: '#c57574',
    500: '#a43840',
    950: '#000000',
  },
}

SCSS

$custom: #a43840;
$custom-light: #c57574;
$custom-dark: #000000;

JSON

{
  "hex": "#a43840",
  "rgb": {
    "r": 164,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 355.556,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49792,
    "c": 0.14223,
    "h": 19.7
  },
  "luminance": 0.11091
}

Semantic roles & 50–950 ramp

primary

#A43840

secondary

#7ABEB9

accent

#D9CE4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A43840

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

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