#4580E4#4580E4

#4580E4 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.1% C 0.164 H 260.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4580E4
RGB	rgb(69, 128, 228)
HSL	hsl(218, 75%, 58%)
HSV	hsv(218, 70%, 89%)
CMYK	cmyk(69.7%, 43.9%, 0%, 10.6%)
CIE-LAB	lab(54.35, 13.56, -56.45)
CIE-LCH	lch(54.35, 58.05, 283.51°)
OKLab	oklab(61.07% -0.0277 -0.1615)
OKLCH	oklch(61.07% 0.164 260.3)
XYZ	xyz(24.1720, 22.3025, 76.4146)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4580E4 #E4A945

analogous

#45CFE4 #4580E4 #5945E4

triadic

#4580E4 #E44580 #80E445

tetradic

#4580E4 #E445CF #E4A945 #45E459

square

#4580E4 #E445CF #E4A945 #45E459

split-complementary

#4580E4 #E45945 #CFE445

monochromatic

#164698 #1E5FCE #4580E4 #7AA4EC #B0C9F4

Accessibility & contrast

On white

3.85

#4580E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4580E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4580E4

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4580E4	#FFFFFF	#000000	##000000
##4580E4	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8AE8

Deuteranopia (green-blind)

#317BE2

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4580e4;
/* rgb */ color: rgb(69, 128, 228);
/* oklch */ color: oklch(61.1% 0.164 260.3);

Tailwind

colors: {
  custom: {
    50: '#8aa4ed',
    500: '#4580e4',
    950: '#000000',
  },
}

SCSS

$custom: #4580e4;
$custom-light: #8aa4ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4580e4",
  "rgb": {
    "r": 69,
    "g": 128,
    "b": 228
  },
  "hsl": {
    "h": 217.736,
    "s": 74.648,
    "l": 58.235
  },
  "oklch": {
    "l": 0.61068,
    "c": 0.16384,
    "h": 260.3
  },
  "luminance": 0.22305
}

Semantic roles & 50–950 ramp

primary

#4580E4

secondary

#E2CBA3

accent

#AC37F1

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4580E4

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

Preview Lab → · Contrast checker → · Palette generator →