#FF645E#FF645E

#FF645E is a light, vivid red. Relative luminance 0.312; OKLCH L 70.1% C 0.190 H 25.5°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#FF645E
RGB	rgb(255, 100, 94)
HSL	hsl(2, 100%, 68%)
HSV	hsv(2, 63%, 100%)
CMYK	cmyk(0%, 60.8%, 63.1%, 0%)
CIE-LAB	lab(62.67, 58.60, 34.47)
CIE-LCH	lch(62.67, 67.99, 30.47°)
OKLab	oklab(70.06% 0.1718 0.0818)
OKLCH	oklch(70.06% 0.19 25.5)
XYZ	xyz(47.8222, 31.1889, 14.0893)
Luminance	0.3118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF645E #5EF9FF

analogous

#FF5EA8 #FF645E #FFB45E

triadic

#FF645E #5EFF64 #645EFF

tetradic

#FF645E #A8FF5E #5EF9FF #B45EFF

square

#FF645E #A8FF5E #5EF9FF #B45EFF

split-complementary

#FF645E #5EFFB4 #5EA8FF

monochromatic

#E30800 #FF2921 #FF645E #FF9F9B #FFDAD8

Accessibility & contrast

On white

2.90

#FF645E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#FF645E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF645E

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF645E	#FFFFFF	#000000	##000000
##FF645E	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C835C

Deuteranopia (green-blind)

#B3A45A

Tritanopia (blue-blind)

#FF4364

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff645e;
/* rgb */ color: rgb(255, 100, 94);
/* oklch */ color: oklch(70.1% 0.190 25.5);

Tailwind

colors: {
  custom: {
    50: '#ff968c',
    500: '#ff645e',
    950: '#000000',
  },
}

SCSS

$custom: #ff645e;
$custom-light: #ff968c;
$custom-dark: #000000;

JSON

{
  "hex": "#ff645e",
  "rgb": {
    "r": 255,
    "g": 100,
    "b": 94
  },
  "hsl": {
    "h": 2.236,
    "s": 100,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70064,
    "c": 0.19031,
    "h": 25.5
  },
  "luminance": 0.31182
}

Semantic roles & 50–950 ramp

primary

#FF645E

secondary

#C4F3F5

accent

#DDE600

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#1A0E0C

muted

#877E7D

Preview Lab

Preview with #FF645E

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

Preview Lab → · Contrast checker → · Palette generator →