#F3734E#F3734E

#F3734E is a light, vivid red. Relative luminance 0.319; OKLCH L 70.1% C 0.166 H 36.9°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#F3734E
RGB	rgb(243, 115, 78)
HSL	hsl(13, 87%, 63%)
HSV	hsv(13, 68%, 95%)
CMYK	cmyk(0%, 52.7%, 67.9%, 4.7%)
CIE-LAB	lab(63.24, 46.63, 43.42)
CIE-LCH	lch(63.24, 63.72, 42.96°)
OKLab	oklab(70.07% 0.1329 0.0999)
OKLCH	oklch(70.07% 0.166 36.9)
XYZ	xyz(44.4722, 31.8717, 11.0162)
Luminance	0.3187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3734E #4ECEF3

analogous

#F34E7B #F3734E #F3C64E

triadic

#F3734E #4EF373 #734EF3

tetradic

#F3734E #7BF34E #4ECEF3 #C64EF3

square

#F3734E #7BF34E #4ECEF3 #C64EF3

split-complementary

#F3734E #4EF3C6 #4E7BF3

monochromatic

#BA330D #EF4615 #F3734E #F7A087 #FBCEC1

Accessibility & contrast

On white

2.85

#F3734E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#F3734E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3734E

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3734E	#FFFFFF	#000000	##000000
##F3734E	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95884A

Deuteranopia (green-blind)

#B5A44B

Tritanopia (blue-blind)

#FF596B

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #f3734e;
/* rgb */ color: rgb(243, 115, 78);
/* oklch */ color: oklch(70.1% 0.166 36.9);

Tailwind

colors: {
  custom: {
    50: '#fe9e81',
    500: '#f3734e',
    950: '#000000',
  },
}

SCSS

$custom: #f3734e;
$custom-light: #fe9e81;
$custom-dark: #000000;

JSON

{
  "hex": "#f3734e",
  "rgb": {
    "r": 243,
    "g": 115,
    "b": 78
  },
  "hsl": {
    "h": 13.455,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.70068,
    "c": 0.16626,
    "h": 36.9
  },
  "luminance": 0.31866
}

Semantic roles & 50–950 ramp

primary

#F3734E

secondary

#B1DFEC

accent

#B1E402

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#190F0A

muted

#877E7C

Preview Lab

Preview with #F3734E

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

Preview Lab → · Contrast checker → · Palette generator →