#EF6243#EF6243

#EF6243 is a light, vivid red. Relative luminance 0.275; OKLCH L 67.0% C 0.181 H 34.0°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#EF6243
RGB	rgb(239, 98, 67)
HSL	hsl(11, 84%, 60%)
HSV	hsv(11, 72%, 94%)
CMYK	cmyk(0%, 59%, 72%, 6.3%)
CIE-LAB	lab(59.43, 52.60, 44.72)
CIE-LCH	lch(59.43, 69.04, 40.37°)
OKLab	oklab(67.02% 0.1498 0.1009)
OKLCH	oklch(67.02% 0.181 34)
XYZ	xyz(40.9816, 27.4969, 8.4585)
Luminance	0.2749 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF6243 #43D0EF

analogous

#EF437A #EF6243 #EFB843

triadic

#EF6243 #43EF62 #6243EF

tetradic

#EF6243 #7AEF43 #43D0EF #B843EF

square

#EF6243 #7AEF43 #43D0EF #B843EF

split-complementary

#EF6243 #43EFB8 #437AEF

monochromatic

#A92A0E #E23813 #EF6243 #F4917B #F9C0B4

Accessibility & contrast

On white

3.23

#EF6243 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#EF6243 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF6243

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF6243	#FFFFFF	#000000	##000000
##EF6243	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897C3F

Deuteranopia (green-blind)

#AB9B3F

Tritanopia (blue-blind)

#FF425B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #ef6243;
/* rgb */ color: rgb(239, 98, 67);
/* oklch */ color: oklch(67.0% 0.181 34.0);

Tailwind

colors: {
  custom: {
    50: '#fc9378',
    500: '#ef6243',
    950: '#000000',
  },
}

SCSS

$custom: #ef6243;
$custom-light: #fc9378;
$custom-dark: #000000;

JSON

{
  "hex": "#ef6243",
  "rgb": {
    "r": 239,
    "g": 98,
    "b": 67
  },
  "hsl": {
    "h": 10.814,
    "s": 84.314,
    "l": 60
  },
  "oklch": {
    "l": 0.67024,
    "c": 0.1806,
    "h": 34
  },
  "luminance": 0.27491
}

Semantic roles & 50–950 ramp

primary

#EF6243

secondary

#A6DCE8

accent

#D6FB2D

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#190D09

muted

#867E7B

Preview Lab

Preview with #EF6243

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

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