#A11739#A11739

#A11739 is a mid, vivid red. Relative luminance 0.085; OKLCH L 46.1% C 0.170 H 14.7°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#A11739
RGB	rgb(161, 23, 57)
HSL	hsl(345, 75%, 36%)
HSV	hsv(345, 86%, 63%)
CMYK	cmyk(0%, 85.7%, 64.6%, 36.9%)
CIE-LAB	lab(34.98, 54.87, 17.84)
CIE-LCH	lch(34.98, 57.69, 18.01°)
OKLab	oklab(46.11% 0.1645 0.0431)
OKLCH	oklch(46.11% 0.17 14.7)
XYZ	xyz(15.7446, 8.4877, 4.6794)
Luminance	0.0848 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11739 #17A17F

analogous

#A1177E #A11739 #A13A17

triadic

#A11739 #39A117 #1739A1

tetradic

#A11739 #7EA117 #17A17F #3A17A1

square

#A11739 #7EA117 #17A17F #3A17A1

split-complementary

#A11739 #17A13A #177EA1

monochromatic

#360813 #6B0F26 #A11739 #D71F4C #E64D72

Accessibility & contrast

On white

7.79

#A11739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#A11739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11739

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11739	#FFFFFF	#000000	##FFFFFF
##A11739	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424039

Deuteranopia (green-blind)

#655C35

Tritanopia (blue-blind)

#B10027

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11739;
/* rgb */ color: rgb(161, 23, 57);
/* oklch */ color: oklch(46.1% 0.170 14.7);

Tailwind

colors: {
  custom: {
    50: '#c4666f',
    500: '#a11739',
    950: '#000000',
  },
}

SCSS

$custom: #a11739;
$custom-light: #c4666f;
$custom-dark: #000000;

JSON

{
  "hex": "#a11739",
  "rgb": {
    "r": 161,
    "g": 23,
    "b": 57
  },
  "hsl": {
    "h": 345.217,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.46108,
    "c": 0.17002,
    "h": 14.7
  },
  "luminance": 0.08485
}

Semantic roles & 50–950 ramp

primary

#A11739

secondary

#4CC7A9

accent

#F2C336

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A11739

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

Preview Lab → · Contrast checker → · Palette generator →