#FF3640#FF3640

#FF3640 is a light, highly saturated red. Relative luminance 0.243; OKLCH L 65.2% C 0.234 H 24.5°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#FF3640
RGB	rgb(255, 54, 64)
HSL	hsl(357, 100%, 61%)
HSV	hsv(357, 79%, 100%)
CMYK	cmyk(0%, 78.8%, 74.9%, 0%)
CIE-LAB	lab(56.36, 73.38, 43.72)
CIE-LCH	lch(56.36, 85.42, 30.79°)
OKLab	oklab(65.23% 0.2127 0.0971)
OKLCH	oklch(65.23% 0.234 24.5)
XYZ	xyz(43.4898, 24.2755, 7.2452)
Luminance	0.2427 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF3640 #36FFF5

analogous

#FF36A4 #FF3640 #FF9036

triadic

#FF3640 #40FF36 #3640FF

tetradic

#FF3640 #A4FF36 #36FFF5 #9036FF

square

#FF3640 #A4FF36 #36FFF5 #9036FF

split-complementary

#FF3640 #36FF90 #36A4FF

monochromatic

#BB0009 #F8000C #FF3640 #FF737A #FFB0B4

Accessibility & contrast

On white

3.59

#FF3640 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#FF3640 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF3640

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF3640	#FFFFFF	#000000	##000000
##FF3640	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#766C3E

Deuteranopia (green-blind)

#A79738

Tritanopia (blue-blind)

#FF003C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #ff3640;
/* rgb */ color: rgb(255, 54, 64);
/* oklch */ color: oklch(65.2% 0.234 24.5);

Tailwind

colors: {
  custom: {
    50: '#ff8075',
    500: '#ff3640',
    950: '#000000',
  },
}

SCSS

$custom: #ff3640;
$custom-light: #ff8075;
$custom-dark: #000000;

JSON

{
  "hex": "#ff3640",
  "rgb": {
    "r": 255,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 357.015,
    "s": 100,
    "l": 60.588
  },
  "oklch": {
    "l": 0.65226,
    "c": 0.23376,
    "h": 24.5
  },
  "luminance": 0.24268
}

Semantic roles & 50–950 ramp

primary

#FF3640

secondary

#A2EFEB

accent

#E6DA00

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#1B0B08

muted

#887C7B

Preview Lab

Preview with #FF3640

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

Preview Lab → · Contrast checker → · Palette generator →