#FF644F#FF644F

#FF644F is a light, vivid red. Relative luminance 0.309; OKLCH L 69.8% C 0.193 H 30.3°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#FF644F
RGB	rgb(255, 100, 79)
HSL	hsl(7, 100%, 65%)
HSV	hsv(7, 69%, 100%)
CMYK	cmyk(0%, 60.8%, 69%, 0%)
CIE-LAB	lab(62.46, 57.79, 42.46)
CIE-LCH	lch(62.46, 71.71, 36.31°)
OKLab	oklab(69.84% 0.1665 0.0974)
OKLCH	oklch(69.84% 0.193 30.3)
XYZ	xyz(47.2133, 30.9453, 10.8825)
Luminance	0.3094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF644F #4FEAFF

analogous

#FF4F92 #FF644F #FFBC4F

triadic

#FF644F #4FFF64 #644FFF

tetradic

#FF644F #92FF4F #4FEAFF #BC4FFF

square

#FF644F #92FF4F #4FEAFF #BC4FFF

split-complementary

#FF644F #4FFFBC #4F92FF

monochromatic

#D41900 #FF2E12 #FF644F #FF9A8C #FFD0C9

Accessibility & contrast

On white

2.92

#FF644F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#FF644F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF644F

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF644F	#FFFFFF	#000000	##000000
##FF644F	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E824C

Deuteranopia (green-blind)

#B4A44A

Tritanopia (blue-blind)

#FF4060

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #ff644f;
/* rgb */ color: rgb(255, 100, 79);
/* oklch */ color: oklch(69.8% 0.193 30.3);

Tailwind

colors: {
  custom: {
    50: '#ff9681',
    500: '#ff644f',
    950: '#000000',
  },
}

SCSS

$custom: #ff644f;
$custom-light: #ff9681;
$custom-dark: #000000;

JSON

{
  "hex": "#ff644f",
  "rgb": {
    "r": 255,
    "g": 100,
    "b": 79
  },
  "hsl": {
    "h": 7.159,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.69843,
    "c": 0.19294,
    "h": 30.3
  },
  "luminance": 0.30939
}

Semantic roles & 50–950 ramp

primary

#FF644F

secondary

#B7EBF2

accent

#CAE600

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#1A0E0A

muted

#877E7C

Preview Lab

Preview with #FF644F

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

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