#A23037#A23037

#A23037 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.149 H 21.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A23037
RGB	rgb(162, 48, 55)
HSL	hsl(356, 54%, 41%)
HSV	hsv(356, 70%, 64%)
CMYK	cmyk(0%, 70.4%, 66%, 36.5%)
CIE-LAB	lab(37.97, 47.11, 22.99)
CIE-LCH	lch(37.97, 52.42, 26.02°)
OKLab	oklab(48.35% 0.1391 0.0546)
OKLCH	oklch(48.35% 0.149 21.4)
XYZ	xyz(16.6486, 10.0735, 4.6814)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A23037 #30A29B

analogous

#A23070 #A23037 #A26230

triadic

#A23037 #37A230 #3037A2

tetradic

#A23037 #70A230 #30A29B #6230A2

square

#A23037 #70A230 #30A29B #6230A2

split-complementary

#A23037 #30A262 #3070A2

monochromatic

#441417 #732227 #A23037 #C8474F #D6767C

Accessibility & contrast

On white

6.97

#A23037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A23037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A23037

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A23037	#FFFFFF	#000000	##FFFFFF
##A23037	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A36

Deuteranopia (green-blind)

#6C6234

Tritanopia (blue-blind)

#B20F34

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a23037;
/* rgb */ color: rgb(162, 48, 55);
/* oklch */ color: oklch(48.4% 0.149 21.4);

Tailwind

colors: {
  custom: {
    50: '#c4706d',
    500: '#a23037',
    950: '#000000',
  },
}

SCSS

$custom: #a23037;
$custom-light: #c4706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a23037",
  "rgb": {
    "r": 162,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.316,
    "s": 54.286,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48353,
    "c": 0.14937,
    "h": 21.4
  },
  "luminance": 0.10071
}

Semantic roles & 50–950 ramp

primary

#A23037

secondary

#6FBEBA

accent

#DED54A

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A23037

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

Preview Lab → · Contrast checker → · Palette generator →