#F3755B#F3755B

#F3755B is a light, vivid red. Relative luminance 0.325; OKLCH L 70.5% C 0.161 H 33.1°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#F3755B
RGB	rgb(243, 117, 91)
HSL	hsl(10, 86%, 65%)
HSV	hsv(10, 63%, 95%)
CMYK	cmyk(0%, 51.9%, 62.6%, 4.7%)
CIE-LAB	lab(63.79, 46.42, 37.11)
CIE-LCH	lch(63.79, 59.43, 38.64°)
OKLab	oklab(70.54% 0.1345 0.0877)
OKLCH	oklch(70.54% 0.161 33.1)
XYZ	xyz(45.2157, 32.5380, 13.7949)
Luminance	0.3253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3755B #5BD9F3

analogous

#F35B8D #F3755B #F3C15B

triadic

#F3755B #5BF375 #755BF3

tetradic

#F3755B #8DF35B #5BD9F3 #C15BF3

square

#F3755B #8DF35B #5BD9F3 #C15BF3

split-complementary

#F3755B #5BF3C1 #5B8DF3

monochromatic

#C52E0E #EF4522 #F3755B #F7A594 #FBD5CD

Accessibility & contrast

On white

2.80

#F3755B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#F3755B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3755B

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3755B	#FFFFFF	#000000	##000000
##F3755B	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958A58

Deuteranopia (green-blind)

#B4A558

Tritanopia (blue-blind)

#FF5E6F

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #f3755b;
/* rgb */ color: rgb(243, 117, 91);
/* oklch */ color: oklch(70.5% 0.161 33.1);

Tailwind

colors: {
  custom: {
    50: '#fd9f8a',
    500: '#f3755b',
    950: '#000000',
  },
}

SCSS

$custom: #f3755b;
$custom-light: #fd9f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#f3755b",
  "rgb": {
    "r": 243,
    "g": 117,
    "b": 91
  },
  "hsl": {
    "h": 10.263,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.70539,
    "c": 0.1606,
    "h": 33.1
  },
  "luminance": 0.32533
}

Semantic roles & 50–950 ramp

primary

#F3755B

secondary

#BBE6EE

accent

#BDE303

background

#FFFAF8

surface

#FFF3F0

border

#D7CDCB

text

#190F0B

muted

#877F7C

Preview Lab

Preview with #F3755B

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

Preview Lab → · Contrast checker → · Palette generator →