#EF5735#EF5735

#EF5735 is a light, vivid red. Relative luminance 0.254; OKLCH L 65.5% C 0.194 H 34.1°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#EF5735
RGB	rgb(239, 87, 53)
HSL	hsl(11, 85%, 57%)
HSV	hsv(11, 78%, 94%)
CMYK	cmyk(0%, 63.6%, 77.8%, 6.3%)
CIE-LAB	lab(57.49, 56.83, 49.82)
CIE-LCH	lch(57.49, 75.57, 41.24°)
OKLab	oklab(65.52% 0.1604 0.1085)
OKLCH	oklch(65.52% 0.194 34.1)
XYZ	xyz(39.6518, 25.4299, 6.1880)
Luminance	0.2542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5735 #35CDEF

analogous

#EF3570 #EF5735 #EFB435

triadic

#EF5735 #35EF57 #5735EF

tetradic

#EF5735 #70EF35 #35CDEF #B435EF

square

#EF5735 #70EF35 #35CDEF #B435EF

split-complementary

#EF5735 #35EFB4 #3570EF

monochromatic

#9D270C #D63511 #EF5735 #F3866E #F8B5A6

Accessibility & contrast

On white

3.45

#EF5735 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#EF5735 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5735

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5735	#FFFFFF	#000000	##000000
##EF5735	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#827530

Deuteranopia (green-blind)

#A8972F

Tritanopia (blue-blind)

#FF2D50

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #ef5735;
/* rgb */ color: rgb(239, 87, 53);
/* oklch */ color: oklch(65.5% 0.194 34.1);

Tailwind

colors: {
  custom: {
    50: '#fd8d6f',
    500: '#ef5735',
    950: '#000000',
  },
}

SCSS

$custom: #ef5735;
$custom-light: #fd8d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5735",
  "rgb": {
    "r": 239,
    "g": 87,
    "b": 53
  },
  "hsl": {
    "h": 10.968,
    "s": 85.321,
    "l": 57.255
  },
  "oklch": {
    "l": 0.65516,
    "c": 0.19364,
    "h": 34.1
  },
  "luminance": 0.25424
}

Semantic roles & 50–950 ramp

primary

#EF5735

secondary

#9AD8E6

accent

#D6FC2C

background

#FFF9F6

surface

#FFF1EC

border

#D7CBC7

text

#1A0D07

muted

#877E7A

Preview Lab

Preview with #EF5735

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

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