#A1383F#A1383F

#A1383F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.139 H 20.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A1383F
RGB	rgb(161, 56, 63)
HSL	hsl(356, 48%, 43%)
HSV	hsv(356, 65%, 63%)
CMYK	cmyk(0%, 65.2%, 60.9%, 36.9%)
CIE-LAB	lab(39.18, 43.91, 19.53)
CIE-LCH	lch(39.18, 48.06, 23.98°)
OKLab	oklab(49.27% 0.1306 0.0475)
OKLCH	oklch(49.27% 0.139 20)
XYZ	xyz(17.0109, 10.7666, 5.8841)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1383F #38A19A

analogous

#A13873 #A1383F #A16538

triadic

#A1383F #3FA138 #383FA1

tetradic

#A1383F #73A138 #38A19A #6538A1

square

#A1383F #73A138 #38A19A #6538A1

split-complementary

#A1383F #38A165 #3873A1

monochromatic

#46181B #74282D #A1383F #C3535A #D38086

Accessibility & contrast

On white

6.66

#A1383F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A1383F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1383F

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1383F	#FFFFFF	#000000	##FFFFFF
##A1383F	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E3F

Deuteranopia (green-blind)

#6D643C

Tritanopia (blue-blind)

#B0223B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a1383f;
/* rgb */ color: rgb(161, 56, 63);
/* oklch */ color: oklch(49.3% 0.139 20.0);

Tailwind

colors: {
  custom: {
    50: '#c37474',
    500: '#a1383f',
    950: '#000000',
  },
}

SCSS

$custom: #a1383f;
$custom-light: #c37474;
$custom-dark: #000000;

JSON

{
  "hex": "#a1383f",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 63
  },
  "hsl": {
    "h": 356,
    "s": 48.387,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49271,
    "c": 0.13893,
    "h": 20
  },
  "luminance": 0.10764
}

Semantic roles & 50–950 ramp

primary

#A1383F

secondary

#78BCB8

accent

#D8CF50

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A1383F

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

Preview Lab → · Contrast checker → · Palette generator →