#A23738#A23738

#A23738 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.142 H 23.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A23738
RGB	rgb(162, 55, 56)
HSL	hsl(359, 49%, 43%)
HSV	hsv(359, 66%, 64%)
CMYK	cmyk(0%, 66%, 65.4%, 36.5%)
CIE-LAB	lab(39.07, 44.23, 23.76)
CIE-LCH	lch(39.07, 50.21, 28.24°)
OKLab	oklab(49.18% 0.1301 0.0564)
OKLCH	oklch(49.18% 0.142 23.4)
XYZ	xyz(16.9820, 10.7016, 4.9120)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23738 #37A2A1

analogous

#A2376E #A23738 #A26B37

triadic

#A23738 #38A237 #3738A2

tetradic

#A23738 #6EA237 #37A2A1 #6B37A2

square

#A23738 #6EA237 #37A2A1 #6B37A2

split-complementary

#A23738 #37A26B #376EA2

monochromatic

#471818 #742728 #A23738 #C45253 #D48080

Accessibility & contrast

On white

6.69

#A23738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A23738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23738

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23738	#FFFFFF	#000000	##FFFFFF
##A23738	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E37

Deuteranopia (green-blind)

#6E6435

Tritanopia (blue-blind)

#B21E38

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a23738;
/* rgb */ color: rgb(162, 55, 56);
/* oklch */ color: oklch(49.2% 0.142 23.4);

Tailwind

colors: {
  custom: {
    50: '#c4746e',
    500: '#a23738',
    950: '#000000',
  },
}

SCSS

$custom: #a23738;
$custom-light: #c4746e;
$custom-dark: #000000;

JSON

{
  "hex": "#a23738",
  "rgb": {
    "r": 162,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.439,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49181,
    "c": 0.14182,
    "h": 23.4
  },
  "luminance": 0.10699
}

Semantic roles & 50–950 ramp

primary

#A23738

secondary

#78BDBC

accent

#D9D84F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A23738

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

Preview Lab → · Contrast checker → · Palette generator →