#A43138#A43138

#A43138 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.150 H 21.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A43138
RGB	rgb(164, 49, 56)
HSL	hsl(356, 54%, 42%)
HSV	hsv(356, 70%, 64%)
CMYK	cmyk(0%, 70.1%, 65.9%, 35.7%)
CIE-LAB	lab(38.51, 47.43, 23.13)
CIE-LCH	lch(38.51, 52.77, 25.99°)
OKLab	oklab(48.83% 0.14 0.0549)
OKLCH	oklch(48.83% 0.15 21.4)
XYZ	xyz(17.1237, 10.3771, 4.8419)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43138 #31A49D

analogous

#A43172 #A43138 #A46431

triadic

#A43138 #38A431 #3138A4

tetradic

#A43138 #72A431 #31A49D #6431A4

square

#A43138 #72A431 #31A49D #6431A4

split-complementary

#A43138 #31A464 #3172A4

monochromatic

#461518 #752328 #A43138 #C94951 #D7797E

Accessibility & contrast

On white

6.83

#A43138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A43138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43138

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43138	#FFFFFF	#000000	##FFFFFF
##A43138	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B37

Deuteranopia (green-blind)

#6D6435

Tritanopia (blue-blind)

#B41035

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a43138;
/* rgb */ color: rgb(164, 49, 56);
/* oklch */ color: oklch(48.8% 0.150 21.4);

Tailwind

colors: {
  custom: {
    50: '#c6716e',
    500: '#a43138',
    950: '#000000',
  },
}

SCSS

$custom: #a43138;
$custom-light: #c6716e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43138",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.348,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.48828,
    "c": 0.15041,
    "h": 21.4
  },
  "luminance": 0.10375
}

Semantic roles & 50–950 ramp

primary

#A43138

secondary

#72BFBA

accent

#DDD44A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A43138

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

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