#A73138#A73138

#A73138 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.154 H 21.6°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A73138
RGB	rgb(167, 49, 56)
HSL	hsl(356, 55%, 42%)
HSV	hsv(356, 71%, 65%)
CMYK	cmyk(0%, 70.7%, 66.5%, 34.5%)
CIE-LAB	lab(39.07, 48.42, 23.95)
CIE-LCH	lch(39.07, 54.02, 26.32°)
OKLab	oklab(49.35% 0.1428 0.0567)
OKLCH	oklch(49.35% 0.154 21.6)
XYZ	xyz(17.7503, 10.7002, 4.8713)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73138 #31A7A0

analogous

#A73173 #A73138 #A76531

triadic

#A73138 #38A731 #3138A7

tetradic

#A73138 #73A731 #31A7A0 #6531A7

square

#A73138 #73A731 #31A7A0 #6531A7

split-complementary

#A73138 #31A765 #3173A7

monochromatic

#481518 #782328 #A73138 #CA4B53 #D87A80

Accessibility & contrast

On white

6.69

#A73138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A73138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73138

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73138	#FFFFFF	#000000	##FFFFFF
##A73138	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C37

Deuteranopia (green-blind)

#6F6535

Tritanopia (blue-blind)

#B70D35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a73138;
/* rgb */ color: rgb(167, 49, 56);
/* oklch */ color: oklch(49.3% 0.154 21.6);

Tailwind

colors: {
  custom: {
    50: '#c8716e',
    500: '#a73138',
    950: '#000000',
  },
}

SCSS

$custom: #a73138;
$custom-light: #c8716e;
$custom-dark: #000000;

JSON

{
  "hex": "#a73138",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.441,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49349,
    "c": 0.15361,
    "h": 21.6
  },
  "luminance": 0.10698
}

Semantic roles & 50–950 ramp

primary

#A73138

secondary

#73C1BC

accent

#DED54A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A73138

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

Preview Lab → · Contrast checker → · Palette generator →