#F66359#F66359

#F66359 is a light, vivid red. Relative luminance 0.292; OKLCH L 68.5% C 0.183 H 26.8°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#F66359
RGB	rgb(246, 99, 89)
HSL	hsl(4, 90%, 66%)
HSV	hsv(4, 64%, 96%)
CMYK	cmyk(0%, 59.8%, 63.8%, 3.5%)
CIE-LAB	lab(61.00, 55.71, 34.87)
CIE-LCH	lch(61.00, 65.73, 32.04°)
OKLab	oklab(68.51% 0.1629 0.0824)
OKLCH	oklch(68.51% 0.183 26.8)
XYZ	xyz(44.2753, 29.2437, 12.7624)
Luminance	0.2924 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F66359 #59ECF6

analogous

#F6599D #F66359 #F6B259

triadic

#F66359 #59F663 #6359F6

tetradic

#F66359 #9DF659 #59ECF6 #B259F6

square

#F66359 #9DF659 #59ECF6 #B259F6

split-complementary

#F66359 #59F6B2 #599DF6

monochromatic

#CA170B #F32C1F #F66359 #F99A93 #FCD0CD

Accessibility & contrast

On white

3.07

#F66359 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#F66359 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F66359

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F66359	#FFFFFF	#000000	##000000
##F66359	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897F57

Deuteranopia (green-blind)

#AE9F55

Tritanopia (blue-blind)

#FF4462

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #f66359;
/* rgb */ color: rgb(246, 99, 89);
/* oklch */ color: oklch(68.5% 0.183 26.8);

Tailwind

colors: {
  custom: {
    50: '#ff9588',
    500: '#f66359',
    950: '#000000',
  },
}

SCSS

$custom: #f66359;
$custom-light: #ff9588;
$custom-dark: #000000;

JSON

{
  "hex": "#f66359",
  "rgb": {
    "r": 246,
    "g": 99,
    "b": 89
  },
  "hsl": {
    "h": 3.822,
    "s": 89.714,
    "l": 65.686
  },
  "oklch": {
    "l": 0.68508,
    "c": 0.18252,
    "h": 26.8
  },
  "luminance": 0.29238
}

Semantic roles & 50–950 ramp

primary

#F66359

secondary

#BBECF0

accent

#D7E600

background

#FFF9F8

surface

#FFF2EF

border

#D7CCCA

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #F66359

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

Preview Lab → · Contrast checker → · Palette generator →