#EF634A#EF634A

#EF634A is a light, vivid red. Relative luminance 0.278; OKLCH L 67.2% C 0.178 H 32.1°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#EF634A
RGB	rgb(239, 99, 74)
HSL	hsl(9, 84%, 61%)
HSV	hsv(9, 69%, 94%)
CMYK	cmyk(0%, 58.6%, 69%, 6.3%)
CIE-LAB	lab(59.68, 52.48, 41.28)
CIE-LCH	lch(59.68, 66.77, 38.19°)
OKLab	oklab(67.24% 0.1507 0.0947)
OKLCH	oklch(67.24% 0.178 32.1)
XYZ	xyz(41.2986, 27.7743, 9.6635)
Luminance	0.2777 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF634A #4AD6EF

analogous

#EF4A84 #EF634A #EFB64A

triadic

#EF634A #4AEF63 #634AEF

tetradic

#EF634A #84EF4A #4AD6EF #B64AEF

square

#EF634A #84EF4A #4AD6EF #B64AEF

split-complementary

#EF634A #4AEFB6 #4A84EF

monochromatic

#AF280F #E73414 #EF634A #F49382 #F9C4BA

Accessibility & contrast

On white

3.20

#EF634A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#EF634A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF634A

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF634A	#FFFFFF	#000000	##000000
##EF634A	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897D47

Deuteranopia (green-blind)

#AB9B46

Tritanopia (blue-blind)

#FF445E

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #ef634a;
/* rgb */ color: rgb(239, 99, 74);
/* oklch */ color: oklch(67.2% 0.178 32.1);

Tailwind

colors: {
  custom: {
    50: '#fc947d',
    500: '#ef634a',
    950: '#000000',
  },
}

SCSS

$custom: #ef634a;
$custom-light: #fc947d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef634a",
  "rgb": {
    "r": 239,
    "g": 99,
    "b": 74
  },
  "hsl": {
    "h": 9.091,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.67241,
    "c": 0.17802,
    "h": 32.1
  },
  "luminance": 0.27769
}

Semantic roles & 50–950 ramp

primary

#EF634A

secondary

#ACE0E9

accent

#BFE005

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #EF634A

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

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