#A43039#A43039

#A43039 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.151 H 20.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#A43039
RGB	rgb(164, 48, 57)
HSL	hsl(355, 55%, 42%)
HSV	hsv(355, 71%, 64%)
CMYK	cmyk(0%, 70.7%, 65.2%, 35.7%)
CIE-LAB	lab(38.38, 47.89, 22.34)
CIE-LCH	lch(38.38, 52.85, 25.01°)
OKLab	oklab(48.74% 0.1417 0.0533)
OKLCH	oklch(48.74% 0.151 20.6)
XYZ	xyz(17.1071, 10.3043, 4.9582)
Luminance	0.1030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43039 #30A49B

analogous

#A43073 #A43039 #A46130

triadic

#A43039 #39A430 #3039A4

tetradic

#A43039 #73A430 #30A49B #6130A4

square

#A43039 #73A430 #30A49B #6130A4

split-complementary

#A43039 #30A461 #3073A4

monochromatic

#451418 #752229 #A43039 #C94852 #D7777F

Accessibility & contrast

On white

6.86

#A43039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A43039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43039

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43039	#FFFFFF	#000000	##FFFFFF
##A43039	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B38

Deuteranopia (green-blind)

#6D6336

Tritanopia (blue-blind)

#B40E34

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43039;
/* rgb */ color: rgb(164, 48, 57);
/* oklch */ color: oklch(48.7% 0.151 20.6);

Tailwind

colors: {
  custom: {
    50: '#c6706f',
    500: '#a43039',
    950: '#000000',
  },
}

SCSS

$custom: #a43039;
$custom-light: #c6706f;
$custom-dark: #000000;

JSON

{
  "hex": "#a43039",
  "rgb": {
    "r": 164,
    "g": 48,
    "b": 57
  },
  "hsl": {
    "h": 355.345,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48739,
    "c": 0.15137,
    "h": 20.6
  },
  "luminance": 0.10302
}

Semantic roles & 50–950 ramp

primary

#A43039

secondary

#70BFB9

accent

#DED34A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A43039

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

Preview Lab → · Contrast checker → · Palette generator →