#4580E0#4580E0

#4580E0 is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.8% C 0.159 H 259.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#4580E0
RGB	rgb(69, 128, 224)
HSL	hsl(217, 71%, 57%)
HSV	hsv(217, 69%, 88%)
CMYK	cmyk(69.2%, 42.9%, 0%, 12.2%)
CIE-LAB	lab(54.11, 12.15, -54.58)
CIE-LCH	lch(54.11, 55.91, 282.55°)
OKLab	oklab(60.81% -0.0284 -0.156)
OKLCH	oklch(60.81% 0.159 259.7)
XYZ	xyz(23.6231, 22.0829, 73.5240)
Luminance	0.2208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580E0 #E0A545

analogous

#45CEE0 #4580E0 #5745E0

triadic

#4580E0 #E04580 #80E045

tetradic

#4580E0 #E045CE #E0A545 #45E057

square

#4580E0 #E045CE #E0A545 #45E057

split-complementary

#4580E0 #E05745 #CEE045

monochromatic

#184792 #2160C7 #4580E0 #79A4E9 #AEC8F1

Accessibility & contrast

On white

3.88

#4580E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#4580E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580E0

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580E0	#FFFFFF	#000000	##000000
##4580E0	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5289E4

Deuteranopia (green-blind)

#377BDE

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4580e0;
/* rgb */ color: rgb(69, 128, 224);
/* oklch */ color: oklch(60.8% 0.159 259.7);

Tailwind

colors: {
  custom: {
    50: '#8aa4ea',
    500: '#4580e0',
    950: '#000000',
  },
}

SCSS

$custom: #4580e0;
$custom-light: #8aa4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4580e0",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 224
  },
  "hsl": {
    "h": 217.161,
    "s": 71.429,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60814,
    "c": 0.15855,
    "h": 259.7
  },
  "luminance": 0.22085
}

Semantic roles & 50–950 ramp

primary

#4580E0

secondary

#E0C8A1

accent

#A93AEE

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580E0

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

Preview Lab → · Contrast checker → · Palette generator →