#EF637A#EF637A

#EF637A is a light, vivid red. Relative luminance 0.287; OKLCH L 68.1% C 0.173 H 12.9°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#EF637A
RGB	rgb(239, 99, 122)
HSL	hsl(350, 81%, 66%)
HSV	hsv(350, 59%, 94%)
CMYK	cmyk(0%, 58.6%, 49%, 6.3%)
CIE-LAB	lab(60.50, 55.79, 15.17)
CIE-LCH	lch(60.50, 57.81, 15.21°)
OKLab	oklab(68.12% 0.1686 0.0387)
OKLCH	oklch(68.12% 0.173 12.9)
XYZ	xyz(43.5746, 28.6848, 21.6506)
Luminance	0.2868 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF637A #63EFD8

analogous

#EF63C0 #EF637A #EF9263

triadic

#EF637A #7AEF63 #637AEF

tetradic

#EF637A #C0EF63 #63EFD8 #9263EF

square

#EF637A #C0EF63 #63EFD8 #9263EF

split-complementary

#EF637A #63EF92 #63C0EF

monochromatic

#C41431 #E92B4B #EF637A #F59BA9 #FAD2D9

Accessibility & contrast

On white

3.12

#EF637A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#EF637A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF637A

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF637A	#FFFFFF	#000000	##000000
##EF637A	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82807A

Deuteranopia (green-blind)

#A69D77

Tritanopia (blue-blind)

#FF4F6C

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #ef637a;
/* rgb */ color: rgb(239, 99, 122);
/* oklch */ color: oklch(68.1% 0.173 12.9);

Tailwind

colors: {
  custom: {
    50: '#f995a0',
    500: '#ef637a',
    950: '#000000',
  },
}

SCSS

$custom: #ef637a;
$custom-light: #f995a0;
$custom-dark: #000000;

JSON

{
  "hex": "#ef637a",
  "rgb": {
    "r": 239,
    "g": 99,
    "b": 122
  },
  "hsl": {
    "h": 350.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.68122,
    "c": 0.17299,
    "h": 12.9
  },
  "luminance": 0.2868
}

Semantic roles & 50–950 ramp

primary

#EF637A

secondary

#C0EEE6

accent

#DEBB08

background

#FFF9F9

surface

#FFF2F2

border

#D7CCCC

text

#180E0E

muted

#867E7E

Preview Lab

Preview with #EF637A

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

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