#FF4545#FF4545

#FF4545 is a light, highly saturated red. Relative luminance 0.259; OKLCH L 66.5% C 0.222 H 25.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#FF4545
RGB	rgb(255, 69, 69)
HSL	hsl(0, 100%, 64%)
HSV	hsv(0, 73%, 100%)
CMYK	cmyk(0%, 72.9%, 72.9%, 0%)
CIE-LAB	lab(57.99, 69.16, 42.78)
CIE-LCH	lch(57.99, 81.32, 31.74°)
OKLab	oklab(66.46% 0.2003 0.0962)
OKLCH	oklch(66.46% 0.222 25.7)
XYZ	xyz(44.4474, 25.9528, 8.2981)
Luminance	0.2595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF4545 #45FFFF

analogous

#FF45A2 #FF4545 #FFA245

triadic

#FF4545 #45FF45 #4545FF

tetradic

#FF4545 #A2FF45 #45FFFF #A245FF

square

#FF4545 #A2FF45 #45FFFF #A245FF

split-complementary

#FF4545 #45FFA2 #45A2FF

monochromatic

#CA0000 #FF0808 #FF4545 #FF8282 #FFBFBF

Accessibility & contrast

On white

3.39

#FF4545 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#FF4545 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF4545

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF4545	#FFFFFF	#000000	##000000
##FF4545	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7243

Deuteranopia (green-blind)

#AB9A3E

Tritanopia (blue-blind)

#FF0048

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #ff4545;
/* rgb */ color: rgb(255, 69, 69);
/* oklch */ color: oklch(66.5% 0.222 25.7);

Tailwind

colors: {
  custom: {
    50: '#ff8679',
    500: '#ff4545',
    950: '#000000',
  },
}

SCSS

$custom: #ff4545;
$custom-light: #ff8679;
$custom-dark: #000000;

JSON

{
  "hex": "#ff4545",
  "rgb": {
    "r": 255,
    "g": 69,
    "b": 69
  },
  "hsl": {
    "h": 0,
    "s": 100,
    "l": 63.529
  },
  "oklch": {
    "l": 0.66456,
    "c": 0.22223,
    "h": 25.7
  },
  "luminance": 0.25946
}

Semantic roles & 50–950 ramp

primary

#FF4545

secondary

#AFF1F1

accent

#E5E600

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#1B0C09

muted

#887D7B

Preview Lab

Preview with #FF4545

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

Preview Lab → · Contrast checker → · Palette generator →