#4577CC#4577CC

#4577CC is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.142 H 260.3°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4577CC
RGB	rgb(69, 119, 204)
HSL	hsl(218, 57%, 54%)
HSV	hsv(218, 66%, 80%)
CMYK	cmyk(66.2%, 41.7%, 0%, 20%)
CIE-LAB	lab(50.47, 10.61, -49.08)
CIE-LCH	lch(50.47, 50.22, 282.20°)
OKLab	oklab(57.63% -0.0238 -0.14)
OKLCH	oklch(57.63% 0.142 260.3)
XYZ	xyz(19.9463, 18.8165, 59.6958)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577CC #CC9A45

analogous

#45BACC #4577CC #5645CC

triadic

#4577CC #CC4577 #77CC45

tetradic

#4577CC #CC45BA #CC9A45 #45CC56

square

#4577CC #CC45BA #CC9A45 #45CC56

split-complementary

#4577CC #CC5645 #BACC45

monochromatic

#204076 #2E5AA6 #4577CC #759AD9 #A5BDE6

Accessibility & contrast

On white

4.41

#4577CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4577CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577CC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577CC	#FFFFFF	#000000	##000000
##4577CC	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FCF

Deuteranopia (green-blind)

#3A72CA

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4577cc;
/* rgb */ color: rgb(69, 119, 204);
/* oklch */ color: oklch(57.6% 0.142 260.3);

Tailwind

colors: {
  custom: {
    50: '#869ddc',
    500: '#4577cc',
    950: '#000000',
  },
}

SCSS

$custom: #4577cc;
$custom-light: #869ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4577cc",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 217.778,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57629,
    "c": 0.142,
    "h": 260.3
  },
  "luminance": 0.18818
}

Semantic roles & 50–950 ramp

primary

#4577CC

secondary

#D3BE99

accent

#A848E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4577CC

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

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