#A13740#A13740

#A13740 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.140 H 19.0°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A13740
RGB	rgb(161, 55, 64)
HSL	hsl(355, 49%, 42%)
HSV	hsv(355, 66%, 63%)
CMYK	cmyk(0%, 65.8%, 60.2%, 36.9%)
CIE-LAB	lab(39.04, 44.42, 18.72)
CIE-LCH	lch(39.04, 48.21, 22.85°)
OKLab	oklab(49.17% 0.1324 0.0457)
OKLCH	oklch(49.17% 0.14 19)
XYZ	xyz(16.9911, 10.6819, 6.0166)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13740 #37A198

analogous

#A13775 #A13740 #A16337

triadic

#A13740 #40A137 #3740A1

tetradic

#A13740 #75A137 #37A198 #6337A1

square

#A13740 #75A137 #37A198 #6337A1

split-complementary

#A13740 #37A163 #3775A1

monochromatic

#46181C #73272E #A13740 #C4515B #D37F86

Accessibility & contrast

On white

6.70

#A13740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A13740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13740

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13740	#FFFFFF	#000000	##FFFFFF
##A13740	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#6D643D

Tritanopia (blue-blind)

#B0213B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13740;
/* rgb */ color: rgb(161, 55, 64);
/* oklch */ color: oklch(49.2% 0.140 19.0);

Tailwind

colors: {
  custom: {
    50: '#c37474',
    500: '#a13740',
    950: '#000000',
  },
}

SCSS

$custom: #a13740;
$custom-light: #c37474;
$custom-dark: #000000;

JSON

{
  "hex": "#a13740",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 354.906,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49169,
    "c": 0.14004,
    "h": 19
  },
  "luminance": 0.1068
}

Semantic roles & 50–950 ramp

primary

#A13740

secondary

#77BDB7

accent

#D9CD4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A13740

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

Preview Lab → · Contrast checker → · Palette generator →