#EF5B4A#EF5B4A

#EF5B4A is a light, vivid red. Relative luminance 0.263; OKLCH L 66.2% C 0.186 H 29.4°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#EF5B4A
RGB	rgb(239, 91, 74)
HSL	hsl(6, 84%, 61%)
HSV	hsv(6, 69%, 94%)
CMYK	cmyk(0%, 61.9%, 69%, 6.3%)
CIE-LAB	lab(58.35, 56.01, 39.73)
CIE-LCH	lch(58.35, 68.67, 35.35°)
OKLab	oklab(66.24% 0.1617 0.0913)
OKLCH	oklch(66.24% 0.186 29.4)
XYZ	xyz(40.5779, 26.3329, 9.4233)
Luminance	0.2633 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF5B4A #4ADEEF

analogous

#EF4A8C #EF5B4A #EFAE4A

triadic

#EF5B4A #4AEF5B #5B4AEF

tetradic

#EF5B4A #8CEF4A #4ADEEF #AE4AEF

square

#EF5B4A #8CEF4A #4ADEEF #AE4AEF

split-complementary

#EF5B4A #4AEFAE #4A8CEF

monochromatic

#AF200F #E72A14 #EF5B4A #F48E82 #F9C1BA

Accessibility & contrast

On white

3.35

#EF5B4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#EF5B4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF5B4A

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF5B4A	#FFFFFF	#000000	##000000
##EF5B4A	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#837847

Deuteranopia (green-blind)

#A89846

Tritanopia (blue-blind)

#FF3858

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #ef5b4a;
/* rgb */ color: rgb(239, 91, 74);
/* oklch */ color: oklch(66.2% 0.186 29.4);

Tailwind

colors: {
  custom: {
    50: '#fc8f7d',
    500: '#ef5b4a',
    950: '#000000',
  },
}

SCSS

$custom: #ef5b4a;
$custom-light: #fc8f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#ef5b4a",
  "rgb": {
    "r": 239,
    "g": 91,
    "b": 74
  },
  "hsl": {
    "h": 6.182,
    "s": 83.756,
    "l": 61.373
  },
  "oklch": {
    "l": 0.66236,
    "c": 0.18574,
    "h": 29.4
  },
  "luminance": 0.26327
}

Semantic roles & 50–950 ramp

primary

#EF5B4A

secondary

#ACE3E9

accent

#CAE005

background

#FFF9F7

surface

#FFF1EE

border

#D7CBC9

text

#190D09

muted

#867E7B

Preview Lab

Preview with #EF5B4A

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

Preview Lab → · Contrast checker → · Palette generator →