#A03138#A03138

#A03138 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.1% C 0.146 H 21.1°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#A03138
RGB	rgb(160, 49, 56)
HSL	hsl(356, 53%, 41%)
HSV	hsv(356, 69%, 63%)
CMYK	cmyk(0%, 69.4%, 65%, 37.3%)
CIE-LAB	lab(37.77, 46.10, 22.03)
CIE-LCH	lch(37.77, 51.09, 25.54°)
OKLab	oklab(48.14% 0.1363 0.0526)
OKLCH	oklch(48.14% 0.146 21.1)
XYZ	xyz(16.3110, 9.9580, 4.8038)
Luminance	0.0996 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03138 #31A099

analogous

#A0316F #A03138 #A06131

triadic

#A03138 #38A031 #3138A0

tetradic

#A03138 #6FA031 #31A099 #6131A0

square

#A03138 #6FA031 #31A099 #6131A0

split-complementary

#A03138 #31A061 #316FA0

monochromatic

#421417 #712328 #A03138 #C7474F #D5767C

Accessibility & contrast

On white

7.02

#A03138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A03138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03138

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03138	#FFFFFF	#000000	##FFFFFF
##A03138	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A37

Deuteranopia (green-blind)

#6B6235

Tritanopia (blue-blind)

#B01434

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a03138;
/* rgb */ color: rgb(160, 49, 56);
/* oklch */ color: oklch(48.1% 0.146 21.1);

Tailwind

colors: {
  custom: {
    50: '#c3706e',
    500: '#a03138',
    950: '#000000',
  },
}

SCSS

$custom: #a03138;
$custom-light: #c3706e;
$custom-dark: #000000;

JSON

{
  "hex": "#a03138",
  "rgb": {
    "r": 160,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.216,
    "s": 53.11,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48135,
    "c": 0.14609,
    "h": 21.1
  },
  "luminance": 0.09956
}

Semantic roles & 50–950 ramp

primary

#A03138

secondary

#70BDB8

accent

#DDD34B

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A03138

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

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