#A43743#A43743

#A43743 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.143 H 17.7°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A43743
RGB	rgb(164, 55, 67)
HSL	hsl(353, 50%, 43%)
HSV	hsv(353, 66%, 64%)
CMYK	cmyk(0%, 66.5%, 59.1%, 35.7%)
CIE-LAB	lab(39.64, 45.67, 17.73)
CIE-LCH	lch(39.64, 48.99, 21.22°)
OKLab	oklab(49.74% 0.1365 0.0435)
OKLCH	oklch(49.74% 0.143 17.7)
XYZ	xyz(17.6908, 11.0325, 6.5070)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43743 #37A498

analogous

#A4377A #A43743 #A46137

triadic

#A43743 #43A437 #3743A4

tetradic

#A43743 #7AA437 #37A498 #6137A4

square

#A43743 #7AA437 #37A498 #6137A4

split-complementary

#A43743 #37A461 #377AA4

monochromatic

#48181E #762830 #A43743 #C55360 #D5818A

Accessibility & contrast

On white

6.55

#A43743 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A43743 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43743

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43743	#FFFFFF	#000000	##FFFFFF
##A43743	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524F43

Deuteranopia (green-blind)

#6E6640

Tritanopia (blue-blind)

#B3203C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a43743;
/* rgb */ color: rgb(164, 55, 67);
/* oklch */ color: oklch(49.7% 0.143 17.7);

Tailwind

colors: {
  custom: {
    50: '#c57477',
    500: '#a43743',
    950: '#000000',
  },
}

SCSS

$custom: #a43743;
$custom-light: #c57477;
$custom-dark: #000000;

JSON

{
  "hex": "#a43743",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 353.394,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49735,
    "c": 0.14328,
    "h": 17.7
  },
  "luminance": 0.1103
}

Semantic roles & 50–950 ramp

primary

#A43743

secondary

#79BEB6

accent

#D9CA4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A43743

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

Preview Lab → · Contrast checker → · Palette generator →