#F3645C#F3645C

#F3645C is a light, vivid red. Relative luminance 0.289; OKLCH L 68.2% C 0.178 H 26.1°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#F3645C
RGB	rgb(243, 100, 92)
HSL	hsl(3, 86%, 66%)
HSV	hsv(3, 62%, 95%)
CMYK	cmyk(0%, 58.8%, 62.1%, 4.7%)
CIE-LAB	lab(60.74, 54.43, 32.77)
CIE-LCH	lch(60.74, 63.53, 31.05°)
OKLab	oklab(68.24% 0.1597 0.0781)
OKLCH	oklch(68.24% 0.178 26.1)
XYZ	xyz(43.4552, 28.9474, 13.4222)
Luminance	0.2894 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3645C #5CEBF3

analogous

#F35C9F #F3645C #F3AF5C

triadic

#F3645C #5CF364 #645CF3

tetradic

#F3645C #9FF35C #5CEBF3 #AF5CF3

square

#F3645C #9FF35C #5CEBF3 #AF5CF3

split-complementary

#F3645C #5CF3AF #5C9FF3

monochromatic

#C6180F #EF2E23 #F3645C #F79A95 #FBD0CE

Accessibility & contrast

On white

3.09

#F3645C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#F3645C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F3645C

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3645C	#FFFFFF	#000000	##000000
##F3645C	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897F5A

Deuteranopia (green-blind)

#AC9E58

Tritanopia (blue-blind)

#FF4863

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #f3645c;
/* rgb */ color: rgb(243, 100, 92);
/* oklch */ color: oklch(68.2% 0.178 26.1);

Tailwind

colors: {
  custom: {
    50: '#fe958a',
    500: '#f3645c',
    950: '#000000',
  },
}

SCSS

$custom: #f3645c;
$custom-light: #fe958a;
$custom-dark: #000000;

JSON

{
  "hex": "#f3645c",
  "rgb": {
    "r": 243,
    "g": 100,
    "b": 92
  },
  "hsl": {
    "h": 3.179,
    "s": 86.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.68235,
    "c": 0.17776,
    "h": 26.1
  },
  "luminance": 0.28942
}

Semantic roles & 50–950 ramp

primary

#F3645C

secondary

#BCECEF

accent

#D7E303

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #F3645C

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

Preview Lab → · Contrast checker → · Palette generator →