#E23A37#E23A37

#E23A37 is a mid, highly saturated red. Relative luminance 0.195; OKLCH L 60.4% C 0.205 H 26.6°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#E23A37
RGB	rgb(226, 58, 55)
HSL	hsl(1, 75%, 55%)
HSV	hsv(1, 76%, 89%)
CMYK	cmyk(0%, 74.3%, 75.7%, 11.4%)
CIE-LAB	lab(51.24, 63.61, 41.53)
CIE-LCH	lch(51.24, 75.97, 33.14°)
OKLab	oklab(60.42% 0.1833 0.092)
OKLCH	oklch(60.42% 0.205 26.6)
XYZ	xyz(33.5706, 19.4759, 5.6053)
Luminance	0.1947 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E23A37 #37DFE2

analogous

#E23789 #E23A37 #E29037

triadic

#E23A37 #37E23A #3A37E2

tetradic

#E23A37 #89E237 #37DFE2 #9037E2

square

#E23A37 #89E237 #37DFE2 #9037E2

split-complementary

#E23A37 #37E290 #3789E2

monochromatic

#8B1614 #C01F1C #E23A37 #EA6F6C #F2A3A2

Accessibility & contrast

On white

4.29

#E23A37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#E23A37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E23A37

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E23A37	#FFFFFF	#000000	##000000
##E23A37	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6335

Deuteranopia (green-blind)

#968730

Tritanopia (blue-blind)

#F9003C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #e23a37;
/* rgb */ color: rgb(226, 58, 55);
/* oklch */ color: oklch(60.4% 0.205 26.6);

Tailwind

colors: {
  custom: {
    50: '#f57d6e',
    500: '#e23a37',
    950: '#000000',
  },
}

SCSS

$custom: #e23a37;
$custom-light: #f57d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#e23a37",
  "rgb": {
    "r": 226,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.053,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60418,
    "c": 0.20511,
    "h": 26.6
  },
  "luminance": 0.19471
}

Semantic roles & 50–950 ramp

primary

#E23A37

secondary

#97DDDE

accent

#EEF137

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #E23A37

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

Preview Lab → · Contrast checker → · Palette generator →