#EC636B#EC636B

#EC636B is a light, vivid red. Relative luminance 0.278; OKLCH L 67.3% C 0.170 H 19.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#EC636B
RGB	rgb(236, 99, 107)
HSL	hsl(356, 78%, 66%)
HSV	hsv(356, 58%, 93%)
CMYK	cmyk(0%, 58.1%, 54.7%, 7.5%)
CIE-LAB	lab(59.73, 53.55, 22.70)
CIE-LCH	lch(59.73, 58.16, 22.97°)
OKLab	oklab(67.35% 0.16 0.0562)
OKLCH	oklch(67.35% 0.17 19.4)
XYZ	xyz(41.7113, 27.8232, 17.0810)
Luminance	0.2782 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EC636B #63ECE4

analogous

#EC63B0 #EC636B #EC9F63

triadic

#EC636B #6BEC63 #636BEC

tetradic

#EC636B #B0EC63 #63ECE4 #9F63EC

square

#EC636B #B0EC63 #63ECE4 #9F63EC

split-complementary

#EC636B #63EC9F #63B0EC

monochromatic

#BE1721 #E52C37 #EC636B #F39A9F #F9D0D3

Accessibility & contrast

On white

3.20

#EC636B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#EC636B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EC636B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EC636B	#FFFFFF	#000000	##000000
##EC636B	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#847E6A

Deuteranopia (green-blind)

#A69B68

Tritanopia (blue-blind)

#FF4C67

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #ec636b;
/* rgb */ color: rgb(236, 99, 107);
/* oklch */ color: oklch(67.3% 0.170 19.4);

Tailwind

colors: {
  custom: {
    50: '#f89495',
    500: '#ec636b',
    950: '#000000',
  },
}

SCSS

$custom: #ec636b;
$custom-light: #f89495;
$custom-dark: #000000;

JSON

{
  "hex": "#ec636b",
  "rgb": {
    "r": 236,
    "g": 99,
    "b": 107
  },
  "hsl": {
    "h": 356.496,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.6735,
    "c": 0.16958,
    "h": 19.4
  },
  "luminance": 0.27818
}

Semantic roles & 50–950 ramp

primary

#EC636B

secondary

#BFECEA

accent

#DBCE0B

background

#FFF9F9

surface

#FFF2F1

border

#D7CCCB

text

#180E0D

muted

#867E7E

Preview Lab

Preview with #EC636B

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

Preview Lab → · Contrast checker → · Palette generator →