#A1383A#A1383A

#A1383A is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.139 H 22.7°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#A1383A
RGB	rgb(161, 56, 58)
HSL	hsl(359, 48%, 43%)
HSV	hsv(359, 65%, 63%)
CMYK	cmyk(0%, 65.2%, 64%, 36.9%)
CIE-LAB	lab(39.09, 43.56, 22.51)
CIE-LCH	lch(39.09, 49.04, 27.33°)
OKLab	oklab(49.17% 0.1285 0.0539)
OKLCH	oklch(49.17% 0.139 22.7)
XYZ	xyz(16.8775, 10.7132, 5.1813)
Luminance	0.1071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1383A #38A19F

analogous

#A1386F #A1383A #A16A38

triadic

#A1383A #3AA138 #383AA1

tetradic

#A1383A #6FA138 #38A19F #6A38A1

square

#A1383A #6FA138 #38A19F #6A38A1

split-complementary

#A1383A #38A16A #386FA1

monochromatic

#461819 #74282A #A1383A #C35355 #D38082

Accessibility & contrast

On white

6.68

#A1383A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A1383A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1383A

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1383A	#FFFFFF	#000000	##FFFFFF
##A1383A	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E39

Deuteranopia (green-blind)

#6E6437

Tritanopia (blue-blind)

#B0213A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a1383a;
/* rgb */ color: rgb(161, 56, 58);
/* oklch */ color: oklch(49.2% 0.139 22.7);

Tailwind

colors: {
  custom: {
    50: '#c37470',
    500: '#a1383a',
    950: '#000000',
  },
}

SCSS

$custom: #a1383a;
$custom-light: #c37470;
$custom-dark: #000000;

JSON

{
  "hex": "#a1383a",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 358.857,
    "s": 48.387,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49173,
    "c": 0.13935,
    "h": 22.7
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary

#A1383A

secondary

#78BCBB

accent

#D8D550

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140907

muted

#827B7A

Preview Lab

Preview with #A1383A

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

Preview Lab → · Contrast checker → · Palette generator →