#A23740#A23740

#A23740 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.141 H 19.1°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A23740
RGB	rgb(162, 55, 64)
HSL	hsl(355, 49%, 43%)
HSV	hsv(355, 66%, 64%)
CMYK	cmyk(0%, 66%, 60.5%, 36.5%)
CIE-LAB	lab(39.22, 44.77, 18.99)
CIE-LCH	lch(39.22, 48.63, 22.98°)
OKLab	oklab(49.34% 0.1334 0.0463)
OKLCH	oklch(49.34% 0.141 19.1)
XYZ	xyz(17.1935, 10.7862, 6.0261)
Luminance	0.1078 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23740 #37A299

analogous

#A23776 #A23740 #A26337

triadic

#A23740 #40A237 #3740A2

tetradic

#A23740 #76A237 #37A299 #6337A2

square

#A23740 #76A237 #37A299 #6337A2

split-complementary

#A23740 #37A263 #3776A2

monochromatic

#47181C #74272E #A23740 #C4525C #D48087

Accessibility & contrast

On white

6.65

#A23740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A23740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23740

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23740	#FFFFFF	#000000	##FFFFFF
##A23740	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#6D653D

Tritanopia (blue-blind)

#B1203B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a23740;
/* rgb */ color: rgb(162, 55, 64);
/* oklch */ color: oklch(49.3% 0.141 19.1);

Tailwind

colors: {
  custom: {
    50: '#c37474',
    500: '#a23740',
    950: '#000000',
  },
}

SCSS

$custom: #a23740;
$custom-light: #c37474;
$custom-dark: #000000;

JSON

{
  "hex": "#a23740",
  "rgb": {
    "r": 162,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 354.953,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49336,
    "c": 0.14115,
    "h": 19.1
  },
  "luminance": 0.10784
}

Semantic roles & 50–950 ramp

primary

#A23740

secondary

#78BDB7

accent

#D9CD4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A23740

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

Preview Lab → · Contrast checker → · Palette generator →