#4587E4#4587E4

#4587E4 is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.6% C 0.156 H 257.4°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4587E4
RGB	rgb(69, 135, 228)
HSL	hsl(215, 75%, 58%)
HSV	hsv(215, 70%, 89%)
CMYK	cmyk(69.7%, 40.8%, 0%, 10.6%)
CIE-LAB	lab(56.28, 9.31, -53.36)
CIE-LCH	lch(56.28, 54.16, 279.90°)
OKLab	oklab(62.56% -0.034 -0.1523)
OKLCH	oklch(62.56% 0.156 257.4)
XYZ	xyz(25.1167, 24.1919, 76.7296)
Luminance	0.2419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4587E4 #E4A245

analogous

#45D7E4 #4587E4 #5245E4

triadic

#4587E4 #E44587 #87E445

tetradic

#4587E4 #E445D7 #E4A245 #45E452

square

#4587E4 #E445D7 #E4A245 #45E452

split-complementary

#4587E4 #E45245 #D7E445

monochromatic

#164C98 #1E67CE #4587E4 #7AA9EC #B0CCF4

Accessibility & contrast

On white

3.60

#4587E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#4587E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587E4

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4587E4	#FFFFFF	#000000	##000000
##4587E4	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8FE8

Deuteranopia (green-blind)

#4180E2

Tritanopia (blue-blind)

#009DAA

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4587e4;
/* rgb */ color: rgb(69, 135, 228);
/* oklch */ color: oklch(62.6% 0.156 257.4);

Tailwind

colors: {
  custom: {
    50: '#8aa9ed',
    500: '#4587e4',
    950: '#000000',
  },
}

SCSS

$custom: #4587e4;
$custom-light: #8aa9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4587e4",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 228
  },
  "hsl": {
    "h": 215.094,
    "s": 74.648,
    "l": 58.235
  },
  "oklch": {
    "l": 0.62563,
    "c": 0.15605,
    "h": 257.4
  },
  "luminance": 0.24195
}

Semantic roles & 50–950 ramp

primary

#4587E4

secondary

#E2C8A3

accent

#A437F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4587E4

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

Preview Lab → · Contrast checker → · Palette generator →