#A43F35#A43F35

#A43F35 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.136 H 28.5°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#A43F35
RGB	rgb(164, 63, 53)
HSL	hsl(5, 51%, 43%)
HSV	hsv(5, 68%, 64%)
CMYK	cmyk(0%, 61.6%, 67.7%, 35.7%)
CIE-LAB	lab(40.75, 41.10, 27.71)
CIE-LCH	lch(40.75, 49.57, 33.99°)
OKLab	oklab(50.49% 0.1194 0.0648)
OKLCH	oklch(50.49% 0.136 28.5)
XYZ	xyz(17.7317, 11.7069, 4.6934)
Luminance	0.1171 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43F35 #359AA4

analogous

#A43563 #A43F35 #A47635

triadic

#A43F35 #35A43F #3F35A4

tetradic

#A43F35 #63A435 #359AA4 #7635A4

square

#A43F35 #63A435 #359AA4 #7635A4

split-complementary

#A43F35 #35A476 #3563A4

monochromatic

#471B17 #762D26 #A43F35 #C65A50 #D5867E

Accessibility & contrast

On white

6.29

#A43F35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A43F35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43F35

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43F35	#FFFFFF	#000000	##FFFFFF
##A43F35	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5233

Deuteranopia (green-blind)

#736832

Tritanopia (blue-blind)

#B4293D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a43f35;
/* rgb */ color: rgb(164, 63, 53);
/* oklch */ color: oklch(50.5% 0.136 28.5);

Tailwind

colors: {
  custom: {
    50: '#c5786c',
    500: '#a43f35',
    950: '#000000',
  },
}

SCSS

$custom: #a43f35;
$custom-light: #c5786c;
$custom-dark: #000000;

JSON

{
  "hex": "#a43f35",
  "rgb": {
    "r": 164,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 5.405,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.5049,
    "c": 0.13586,
    "h": 28.5
  },
  "luminance": 0.11705
}

Semantic roles & 50–950 ramp

primary

#A43F35

secondary

#76B8BE

accent

#CEDB4D

background

#FCF7F6

surface

#F9EEEB

border

#D2C9C6

text

#140907

muted

#827B7A

Preview Lab

Preview with #A43F35

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

Preview Lab → · Contrast checker → · Palette generator →