#4584E4#4584E4

#4584E4 is a mid, vivid blue. Relative luminance 0.234; OKLCH L 61.9% C 0.159 H 258.7°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4584E4
RGB	rgb(69, 132, 228)
HSL	hsl(216, 75%, 58%)
HSV	hsv(216, 70%, 89%)
CMYK	cmyk(69.7%, 42.1%, 0%, 10.6%)
CIE-LAB	lab(55.45, 11.12, -54.68)
CIE-LCH	lch(55.45, 55.80, 281.50°)
OKLab	oklab(61.92% -0.0313 -0.1562)
OKLCH	oklch(61.92% 0.159 258.7)
XYZ	xyz(24.7040, 23.3666, 76.5920)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4584E4 #E4A545

analogous

#45D4E4 #4584E4 #5545E4

triadic

#4584E4 #E44584 #84E445

tetradic

#4584E4 #E445D4 #E4A545 #45E455

square

#4584E4 #E445D4 #E4A545 #45E455

split-complementary

#4584E4 #E45545 #D4E445

monochromatic

#164A98 #1E64CE #4584E4 #7AA7EC #B0CBF4

Accessibility & contrast

On white

3.70

#4584E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4584E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4584E4

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4584E4	#FFFFFF	#000000	##000000
##4584E4	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568DE8

Deuteranopia (green-blind)

#3B7EE2

Tritanopia (blue-blind)

#009AA9

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4584e4;
/* rgb */ color: rgb(69, 132, 228);
/* oklch */ color: oklch(61.9% 0.159 258.7);

Tailwind

colors: {
  custom: {
    50: '#8aa7ed',
    500: '#4584e4',
    950: '#000000',
  },
}

SCSS

$custom: #4584e4;
$custom-light: #8aa7ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4584e4",
  "rgb": {
    "r": 69,
    "g": 132,
    "b": 228
  },
  "hsl": {
    "h": 216.226,
    "s": 74.648,
    "l": 58.235
  },
  "oklch": {
    "l": 0.61919,
    "c": 0.15934,
    "h": 258.7
  },
  "luminance": 0.23369
}

Semantic roles & 50–950 ramp

primary

#4584E4

secondary

#E2C9A3

accent

#A737F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4584E4

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

Preview Lab → · Contrast checker → · Palette generator →