#F34839#F34839

#F34839 is a light, highly saturated red. Relative luminance 0.240; OKLCH L 64.6% C 0.210 H 29.1°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#F34839
RGB	rgb(243, 72, 57)
HSL	hsl(5, 89%, 59%)
HSV	hsv(5, 77%, 95%)
CMYK	cmyk(0%, 70.4%, 76.5%, 4.7%)
CIE-LAB	lab(56.08, 64.08, 46.54)
CIE-LCH	lch(56.08, 79.20, 35.99°)
OKLab	oklab(64.6% 0.1833 0.1022)
OKLCH	oklch(64.6% 0.21 29.1)
XYZ	xyz(40.0227, 23.9909, 6.3934)
Luminance	0.2399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F34839 #39E4F3

analogous

#F33987 #F34839 #F3A539

triadic

#F34839 #39F348 #4839F3

tetradic

#F34839 #87F339 #39E4F3 #A539F3

square

#F34839 #87F339 #39E4F3 #A539F3

split-complementary

#F34839 #39F3A5 #3987F3

monochromatic

#A7170A #E11F0E #F34839 #F67D73 #FAB3AC

Accessibility & contrast

On white

3.62

#F34839 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#F34839 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #F34839

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F34839	#FFFFFF	#000000	##000000
##F34839	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6F36

Deuteranopia (green-blind)

#A59432

Tritanopia (blue-blind)

#FF0046

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #f34839;
/* rgb */ color: rgb(243, 72, 57);
/* oklch */ color: oklch(64.6% 0.210 29.1);

Tailwind

colors: {
  custom: {
    50: '#ff8671',
    500: '#f34839',
    950: '#000000',
  },
}

SCSS

$custom: #f34839;
$custom-light: #ff8671;
$custom-dark: #000000;

JSON

{
  "hex": "#f34839",
  "rgb": {
    "r": 243,
    "g": 72,
    "b": 57
  },
  "hsl": {
    "h": 4.839,
    "s": 88.571,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64596,
    "c": 0.20987,
    "h": 29.1
  },
  "luminance": 0.23985
}

Semantic roles & 50–950 ramp

primary

#F34839

secondary

#9FE3E9

accent

#EDFF29

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#1A0C08

muted

#877D7B

Preview Lab

Preview with #F34839

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

Preview Lab → · Contrast checker → · Palette generator →