#4587CC#4587CC

#4587CC is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.125 H 251.5°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4587CC
RGB	rgb(69, 135, 204)
HSL	hsl(211, 57%, 54%)
HSV	hsv(211, 66%, 80%)
CMYK	cmyk(66.2%, 33.8%, 0%, 20%)
CIE-LAB	lab(55.02, 0.93, -41.87)
CIE-LCH	lch(55.02, 41.88, 271.27°)
OKLab	oklab(61.17% -0.0398 -0.1187)
OKLCH	oklch(61.17% 0.125 251.5)
XYZ	xyz(22.0133, 22.9506, 60.3848)
Luminance	0.2295 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4587CC #CC8A45

analogous

#45CACC #4587CC #4645CC

triadic

#4587CC #CC4587 #87CC45

tetradic

#4587CC #CC45CA #CC8A45 #45CC46

square

#4587CC #CC45CA #CC8A45 #45CC46

split-complementary

#4587CC #CC4645 #CACC45

monochromatic

#204A76 #2E69A6 #4587CC #75A6D9 #A5C5E6

Accessibility & contrast

On white

3.76

#4587CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#4587CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587CC

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4587CC	#FFFFFF	#000000	##000000
##4587CC	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698BCF

Deuteranopia (green-blind)

#567ECB

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4587cc;
/* rgb */ color: rgb(69, 135, 204);
/* oklch */ color: oklch(61.2% 0.125 251.5);

Tailwind

colors: {
  custom: {
    50: '#86a9dc',
    500: '#4587cc',
    950: '#000000',
  },
}

SCSS

$custom: #4587cc;
$custom-light: #86a9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4587cc",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 204
  },
  "hsl": {
    "h": 210.667,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61172,
    "c": 0.12514,
    "h": 251.5
  },
  "luminance": 0.22953
}

Semantic roles & 50–950 ramp

primary

#4587CC

secondary

#D3B799

accent

#9648E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4587CC

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

Preview Lab → · Contrast checker → · Palette generator →