#4583E4#4583E4

#4583E4 is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.7% C 0.160 H 259.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4583E4
RGB	rgb(69, 131, 228)
HSL	hsl(217, 75%, 58%)
HSV	hsv(217, 70%, 89%)
CMYK	cmyk(69.7%, 42.5%, 0%, 10.6%)
CIE-LAB	lab(55.17, 11.73, -55.13)
CIE-LCH	lch(55.17, 56.36, 282.02°)
OKLab	oklab(61.71% -0.0304 -0.1575)
OKLCH	oklch(61.71% 0.16 259.1)
XYZ	xyz(24.5691, 23.0967, 76.5470)
Luminance	0.2310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4583E4 #E4A645

analogous

#45D2E4 #4583E4 #5645E4

triadic

#4583E4 #E44583 #83E445

tetradic

#4583E4 #E445D2 #E4A645 #45E456

square

#4583E4 #E445D2 #E4A645 #45E456

split-complementary

#4583E4 #E45645 #D2E445

monochromatic

#164998 #1E63CE #4583E4 #7AA7EC #B0CAF4

Accessibility & contrast

On white

3.74

#4583E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#4583E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4583E4

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4583E4	#FFFFFF	#000000	##000000
##4583E4	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548CE8

Deuteranopia (green-blind)

#397DE2

Tritanopia (blue-blind)

#009AA8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4583e4;
/* rgb */ color: rgb(69, 131, 228);
/* oklch */ color: oklch(61.7% 0.160 259.1);

Tailwind

colors: {
  custom: {
    50: '#8aa6ed',
    500: '#4583e4',
    950: '#000000',
  },
}

SCSS

$custom: #4583e4;
$custom-light: #8aa6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4583e4",
  "rgb": {
    "r": 69,
    "g": 131,
    "b": 228
  },
  "hsl": {
    "h": 216.604,
    "s": 74.648,
    "l": 58.235
  },
  "oklch": {
    "l": 0.61705,
    "c": 0.16045,
    "h": 259.1
  },
  "luminance": 0.23099
}

Semantic roles & 50–950 ramp

primary

#4583E4

secondary

#E2C9A3

accent

#A837F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4583E4

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

Preview Lab → · Contrast checker → · Palette generator →