#F55B4F#F55B4F

#F55B4F is a light, vivid red. Relative luminance 0.275; OKLCH L 67.2% C 0.191 H 27.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#F55B4F
RGB	rgb(245, 91, 79)
HSL	hsl(4, 89%, 64%)
HSV	hsv(4, 68%, 96%)
CMYK	cmyk(0%, 62.9%, 67.8%, 3.9%)
CIE-LAB	lab(59.40, 58.27, 38.46)
CIE-LCH	lch(59.40, 69.82, 33.42°)
OKLab	oklab(67.23% 0.1691 0.0891)
OKLCH	oklch(67.23% 0.191 27.8)
XYZ	xyz(42.8130, 27.4651, 10.4425)
Luminance	0.2746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F55B4F #4FE9F5

analogous

#F54F96 #F55B4F #F5AE4F

triadic

#F55B4F #4FF55B #5B4FF5

tetradic

#F55B4F #96F54F #4FE9F5 #AE4FF5

square

#F55B4F #96F54F #4FE9F5 #AE4FF5

split-complementary

#F55B4F #4FF5AE #4F96F5

monochromatic

#BF180B #F22515 #F55B4F #F89189 #FCC7C3

Accessibility & contrast

On white

3.23

#F55B4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#F55B4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F55B4F

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F55B4F	#FFFFFF	#000000	##000000
##F55B4F	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857A4D

Deuteranopia (green-blind)

#AB9B4B

Tritanopia (blue-blind)

#FF3659

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #f55b4f;
/* rgb */ color: rgb(245, 91, 79);
/* oklch */ color: oklch(67.2% 0.191 27.8);

Tailwind

colors: {
  custom: {
    50: '#ff9081',
    500: '#f55b4f',
    950: '#000000',
  },
}

SCSS

$custom: #f55b4f;
$custom-light: #ff9081;
$custom-dark: #000000;

JSON

{
  "hex": "#f55b4f",
  "rgb": {
    "r": 245,
    "g": 91,
    "b": 79
  },
  "hsl": {
    "h": 4.337,
    "s": 89.247,
    "l": 63.529
  },
  "oklch": {
    "l": 0.67233,
    "c": 0.19115,
    "h": 27.8
  },
  "luminance": 0.27459
}

Semantic roles & 50–950 ramp

primary

#F55B4F

secondary

#B2E9ED

accent

#D5E600

background

#FFF9F7

surface

#FFF1EE

border

#D7CBC9

text

#190D0A

muted

#877E7C

Preview Lab

Preview with #F55B4F

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

Preview Lab → · Contrast checker → · Palette generator →