#E3564B#E3564B

#E3564B is a light, vivid red. Relative luminance 0.235; OKLCH L 63.8% C 0.178 H 27.6°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#E3564B
RGB	rgb(227, 86, 75)
HSL	hsl(4, 73%, 59%)
HSV	hsv(4, 67%, 89%)
CMYK	cmyk(0%, 62.1%, 67%, 11%)
CIE-LAB	lab(55.58, 54.15, 35.40)
CIE-LCH	lch(55.58, 64.70, 33.17°)
OKLab	oklab(63.78% 0.1574 0.0825)
OKLCH	oklch(63.78% 0.178 27.6)
XYZ	xyz(36.2800, 23.4994, 9.2807)
Luminance	0.2349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3564B #4BD8E3

analogous

#E34B8C #E3564B #E3A24B

triadic

#E3564B #4BE356 #564BE3

tetradic

#E3564B #8CE34B #4BD8E3 #A24BE3

square

#E3564B #8CE34B #4BD8E3 #A24BE3

split-complementary

#E3564B #4BE3A2 #4B8CE3

monochromatic

#9B2218 #D02D20 #E3564B #EB8880 #F3B9B5

Accessibility & contrast

On white

3.68

#E3564B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#E3564B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3564B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3564B	#FFFFFF	#000000	##000000
##E3564B	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7249

Deuteranopia (green-blind)

#9F9147

Tritanopia (blue-blind)

#F93654

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #e3564b;
/* rgb */ color: rgb(227, 86, 75);
/* oklch */ color: oklch(63.8% 0.178 27.6);

Tailwind

colors: {
  custom: {
    50: '#f38c7d',
    500: '#e3564b',
    950: '#000000',
  },
}

SCSS

$custom: #e3564b;
$custom-light: #f38c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#e3564b",
  "rgb": {
    "r": 227,
    "g": 86,
    "b": 75
  },
  "hsl": {
    "h": 4.342,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63782,
    "c": 0.17773,
    "h": 27.6
  },
  "luminance": 0.23494
}

Semantic roles & 50–950 ramp

primary

#E3564B

secondary

#A7DEE3

accent

#E2F038

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#180C0A

muted

#867D7C

Preview Lab

Preview with #E3564B

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

Preview Lab → · Contrast checker → · Palette generator →