#EF6554#EF6554

#EF6554 is a light, vivid red. Relative luminance 0.283; OKLCH L 67.6% C 0.174 H 29.4°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#EF6554
RGB	rgb(239, 101, 84)
HSL	hsl(7, 83%, 63%)
HSV	hsv(7, 65%, 94%)
CMYK	cmyk(0%, 57.7%, 64.9%, 6.3%)
CIE-LAB	lab(60.16, 52.11, 36.38)
CIE-LCH	lch(60.16, 63.56, 34.92°)
OKLab	oklab(67.64% 0.1514 0.0854)
OKLCH	oklch(67.64% 0.174 29.4)
XYZ	xyz(41.8545, 28.3036, 11.6449)
Luminance	0.2830 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF6554 #54DEEF

analogous

#EF5490 #EF6554 #EFB354

triadic

#EF6554 #54EF65 #6554EF

tetradic

#EF6554 #90EF54 #54DEEF #B354EF

square

#EF6554 #90EF54 #54DEEF #B354EF

split-complementary

#EF6554 #54EFB3 #5490EF

monochromatic

#B72311 #EA331C #EF6554 #F4978C #F9CAC4

Accessibility & contrast

On white

3.15

#EF6554 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#EF6554 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF6554

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF6554	#FFFFFF	#000000	##000000
##EF6554	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897E52

Deuteranopia (green-blind)

#AB9C51

Tritanopia (blue-blind)

#FF4962

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef6554;
/* rgb */ color: rgb(239, 101, 84);
/* oklch */ color: oklch(67.6% 0.174 29.4);

Tailwind

colors: {
  custom: {
    50: '#fb9584',
    500: '#ef6554',
    950: '#000000',
  },
}

SCSS

$custom: #ef6554;
$custom-light: #fb9584;
$custom-dark: #000000;

JSON

{
  "hex": "#ef6554",
  "rgb": {
    "r": 239,
    "g": 101,
    "b": 84
  },
  "hsl": {
    "h": 6.581,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.67644,
    "c": 0.17385,
    "h": 29.4
  },
  "luminance": 0.28298
}

Semantic roles & 50–950 ramp

primary

#EF6554

secondary

#B4E5EB

accent

#C7DF06

background

#FFF9F8

surface

#FFF2EF

border

#D7CCCA

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #EF6554

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

Preview Lab → · Contrast checker → · Palette generator →