#4577FC#4577FC

#4577FC is a mid, highly saturated blue. Relative luminance 0.215; OKLCH L 60.9% C 0.206 H 265.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4577FC
RGB	rgb(69, 119, 252)
HSL	hsl(224, 97%, 63%)
HSV	hsv(224, 73%, 99%)
CMYK	cmyk(72.6%, 52.8%, 0%, 1.2%)
CIE-LAB	lab(53.48, 27.65, -71.20)
CIE-LCH	lch(53.48, 76.39, 291.22°)
OKLab	oklab(60.89% -0.0172 -0.205)
OKLCH	oklch(60.89% 0.206 265.2)
XYZ	xyz(26.6156, 21.4843, 94.8208)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577FC #FCCA45

analogous

#45D2FC #4577FC #6F45FC

triadic

#4577FC #FC4577 #77FC45

tetradic

#4577FC #FC45D2 #FCCA45 #45FC6F

square

#4577FC #FC45D2 #FCCA45 #45FC6F

split-complementary

#4577FC #FC6F45 #D2FC45

monochromatic

#0338C3 #094BFB #4577FC #81A3FD #BDCFFE

Accessibility & contrast

On white

3.96

#4577FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#4577FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577FC

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577FC	#FFFFFF	#000000	##000000
##4577FC	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C89FF

Deuteranopia (green-blind)

#0078F9

Tritanopia (blue-blind)

#0097AE

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4577fc;
/* rgb */ color: rgb(69, 119, 252);
/* oklch */ color: oklch(60.9% 0.206 265.2);

Tailwind

colors: {
  custom: {
    50: '#8f9dfe',
    500: '#4577fc',
    950: '#000000',
  },
}

SCSS

$custom: #4577fc;
$custom-light: #8f9dfe;
$custom-dark: #000000;

JSON

{
  "hex": "#4577fc",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 252
  },
  "hsl": {
    "h": 223.607,
    "s": 96.825,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60888,
    "c": 0.20577,
    "h": 265.2
  },
  "luminance": 0.21487
}

Semantic roles & 50–950 ramp

primary

#4577FC

secondary

#EFDDAD

accent

#A700E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E18

muted

#7E7E86

Preview Lab

Preview with #4577FC

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

Preview Lab → · Contrast checker → · Palette generator →