#EF635A#EF635A

#EF635A is a light, vivid red. Relative luminance 0.280; OKLCH L 67.5% C 0.175 H 26.5°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#EF635A
RGB	rgb(239, 99, 90)
HSL	hsl(4, 82%, 65%)
HSV	hsv(4, 62%, 94%)
CMYK	cmyk(0%, 58.6%, 62.3%, 6.3%)
CIE-LAB	lab(59.91, 53.38, 32.71)
CIE-LCH	lch(59.91, 62.61, 31.50°)
OKLab	oklab(67.48% 0.1565 0.0779)
OKLCH	oklch(67.48% 0.175 26.5)
XYZ	xyz(41.9078, 28.0180, 12.8721)
Luminance	0.2801 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF635A #5AE6EF

analogous

#EF5A9C #EF635A #EFAE5A

triadic

#EF635A #5AEF63 #635AEF

tetradic

#EF635A #9CEF5A #5AE6EF #AE5AEF

square

#EF635A #9CEF5A #5AE6EF #AE5AEF

split-complementary

#EF635A #5AEFAE #5A9CEF

monochromatic

#BC1D12 #EA2E22 #EF635A #F49892 #FACCCA

Accessibility & contrast

On white

3.18

#EF635A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#EF635A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF635A

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF635A	#FFFFFF	#000000	##000000
##EF635A	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#877E58

Deuteranopia (green-blind)

#AA9C57

Tritanopia (blue-blind)

#FF4762

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #ef635a;
/* rgb */ color: rgb(239, 99, 90);
/* oklch */ color: oklch(67.5% 0.175 26.5);

Tailwind

colors: {
  custom: {
    50: '#fb9489',
    500: '#ef635a',
    950: '#000000',
  },
}

SCSS

$custom: #ef635a;
$custom-light: #fb9489;
$custom-dark: #000000;

JSON

{
  "hex": "#ef635a",
  "rgb": {
    "r": 239,
    "g": 99,
    "b": 90
  },
  "hsl": {
    "h": 3.624,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.67478,
    "c": 0.17478,
    "h": 26.5
  },
  "luminance": 0.28013
}

Semantic roles & 50–950 ramp

primary

#EF635A

secondary

#B9E9EC

accent

#D2DF07

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #EF635A

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

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