#EF683C#EF683C

#EF683C is a light, vivid red. Relative luminance 0.286; OKLCH L 67.7% C 0.177 H 38.2°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#EF683C
RGB	rgb(239, 104, 60)
HSL	hsl(15, 85%, 59%)
HSV	hsv(15, 75%, 94%)
CMYK	cmyk(0%, 56.5%, 74.9%, 6.3%)
CIE-LAB	lab(60.41, 49.55, 49.35)
CIE-LCH	lch(60.41, 69.94, 44.88°)
OKLab	oklab(67.74% 0.1392 0.1093)
OKLCH	oklch(67.74% 0.177 38.2)
XYZ	xyz(41.3668, 28.5831, 7.6129)
Luminance	0.2858 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF683C #3CC3EF

analogous

#EF3C69 #EF683C #EFC23C

triadic

#EF683C #3CEF68 #683CEF

tetradic

#EF683C #69EF3C #3CC3EF #C23CEF

square

#EF683C #69EF3C #3CC3EF #C23CEF

split-complementary

#EF683C #3CEFC2 #3C69EF

monochromatic

#A3320D #DC4412 #EF683C #F49475 #F8C0AD

Accessibility & contrast

On white

3.13

#EF683C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#EF683C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF683C

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF683C	#FFFFFF	#000000	##000000
##EF683C	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7F36

Deuteranopia (green-blind)

#AE9D38

Tritanopia (blue-blind)

#FF4A5F

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #ef683c;
/* rgb */ color: rgb(239, 104, 60);
/* oklch */ color: oklch(67.7% 0.177 38.2);

Tailwind

colors: {
  custom: {
    50: '#fc9774',
    500: '#ef683c',
    950: '#000000',
  },
}

SCSS

$custom: #ef683c;
$custom-light: #fc9774;
$custom-dark: #000000;

JSON

{
  "hex": "#ef683c",
  "rgb": {
    "r": 239,
    "g": 104,
    "b": 60
  },
  "hsl": {
    "h": 14.749,
    "s": 84.834,
    "l": 58.627
  },
  "oklch": {
    "l": 0.67743,
    "c": 0.17697,
    "h": 38.2
  },
  "luminance": 0.28578
}

Semantic roles & 50–950 ramp

primary

#EF683C

secondary

#A0D5E7

accent

#C8FB2D

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#190E08

muted

#867E7B

Preview Lab

Preview with #EF683C

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

Preview Lab → · Contrast checker → · Palette generator →