#4577D9#4577D9

#4577D9 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.5% C 0.160 H 262.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4577D9
RGB	rgb(69, 119, 217)
HSL	hsl(220, 66%, 56%)
HSV	hsv(220, 68%, 85%)
CMYK	cmyk(68.2%, 45.2%, 0%, 14.9%)
CIE-LAB	lab(51.23, 15.21, -55.25)
CIE-LCH	lch(51.23, 57.31, 285.39°)
OKLab	oklab(58.46% -0.0215 -0.1581)
OKLCH	oklch(58.46% 0.16 262.3)
XYZ	xyz(21.5710, 19.4664, 68.2528)
Luminance	0.1947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4577D9 #D9A745

analogous

#45C1D9 #4577D9 #5D45D9

triadic

#4577D9 #D94577 #77D945

tetradic

#4577D9 #D945C1 #D9A745 #45D95D

square

#4577D9 #D945C1 #D9A745 #45D95D

split-complementary

#4577D9 #D95D45 #C1D945

monochromatic

#1C4088 #2658BB #4577D9 #789CE3 #ABC1EE

Accessibility & contrast

On white

4.29

#4577D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#4577D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4577D9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4577D9	#FFFFFF	#000000	##000000
##4577D9	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4681DD

Deuteranopia (green-blind)

#2974D7

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4577d9;
/* rgb */ color: rgb(69, 119, 217);
/* oklch */ color: oklch(58.5% 0.160 262.3);

Tailwind

colors: {
  custom: {
    50: '#899de5',
    500: '#4577d9',
    950: '#000000',
  },
}

SCSS

$custom: #4577d9;
$custom-light: #899de5;
$custom-dark: #000000;

JSON

{
  "hex": "#4577d9",
  "rgb": {
    "r": 69,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 219.73,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58457,
    "c": 0.15957,
    "h": 262.3
  },
  "luminance": 0.19469
}

Semantic roles & 50–950 ramp

primary

#4577D9

secondary

#DBC79E

accent

#B03FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4577D9

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

Preview Lab → · Contrast checker → · Palette generator →