#A23138#A23138

#A23138 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.148 H 21.3°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#A23138
RGB	rgb(162, 49, 56)
HSL	hsl(356, 54%, 41%)
HSV	hsv(356, 70%, 64%)
CMYK	cmyk(0%, 69.8%, 65.4%, 36.5%)
CIE-LAB	lab(38.14, 46.77, 22.58)
CIE-LCH	lch(38.14, 51.93, 25.77°)
OKLab	oklab(48.48% 0.1382 0.0538)
OKLCH	oklch(48.48% 0.148 21.3)
XYZ	xyz(16.7141, 10.1659, 4.8227)
Luminance	0.1016 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23138 #31A29B

analogous

#A23171 #A23138 #A26331

triadic

#A23138 #38A231 #3138A2

tetradic

#A23138 #71A231 #31A29B #6331A2

square

#A23138 #71A231 #31A29B #6331A2

split-complementary

#A23138 #31A263 #3171A2

monochromatic

#441518 #732328 #A23138 #C84850 #D6777D

Accessibility & contrast

On white

6.92

#A23138 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A23138 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23138

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23138	#FFFFFF	#000000	##FFFFFF
##A23138	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B37

Deuteranopia (green-blind)

#6C6335

Tritanopia (blue-blind)

#B21234

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a23138;
/* rgb */ color: rgb(162, 49, 56);
/* oklch */ color: oklch(48.5% 0.148 21.3);

Tailwind

colors: {
  custom: {
    50: '#c4716e',
    500: '#a23138',
    950: '#000000',
  },
}

SCSS

$custom: #a23138;
$custom-light: #c4716e;
$custom-dark: #000000;

JSON

{
  "hex": "#a23138",
  "rgb": {
    "r": 162,
    "g": 49,
    "b": 56
  },
  "hsl": {
    "h": 356.283,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48482,
    "c": 0.14826,
    "h": 21.3
  },
  "luminance": 0.10164
}

Semantic roles & 50–950 ramp

primary

#A23138

secondary

#71BEB9

accent

#DDD44B

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A23138

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

Preview Lab → · Contrast checker → · Palette generator →