#4587CB#4587CB

#4587CB is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.1% C 0.124 H 251.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4587CB
RGB	rgb(69, 135, 203)
HSL	hsl(210, 56%, 53%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(66%, 33.5%, 0%, 20.4%)
CIE-LAB	lab(54.97, 0.59, -41.38)
CIE-LCH	lch(54.97, 41.38, 270.81°)
OKLab	oklab(61.12% -0.04 -0.1172)
OKLCH	oklch(61.12% 0.124 251.1)
XYZ	xyz(21.8937, 22.9027, 59.7552)
Luminance	0.2291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4587CB #CB8945

analogous

#45CACB #4587CB #4645CB

triadic

#4587CB #CB4587 #87CB45

tetradic

#4587CB #CB45CA #CB8945 #45CB46

square

#4587CB #CB45CA #CB8945 #45CB46

split-complementary

#4587CB #CB4645 #CACB45

monochromatic

#214A75 #2E69A5 #4587CB #75A6D8 #A5C5E6

Accessibility & contrast

On white

3.76

#4587CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#4587CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587CB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4587CB	#FFFFFF	#000000	##000000
##4587CB	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698BCE

Deuteranopia (green-blind)

#577ECA

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4587cb;
/* rgb */ color: rgb(69, 135, 203);
/* oklch */ color: oklch(61.1% 0.124 251.1);

Tailwind

colors: {
  custom: {
    50: '#86a9db',
    500: '#4587cb',
    950: '#000000',
  },
}

SCSS

$custom: #4587cb;
$custom-light: #86a9db;
$custom-dark: #000000;

JSON

{
  "hex": "#4587cb",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 210.448,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61117,
    "c": 0.12388,
    "h": 251.1
  },
  "luminance": 0.22905
}

Semantic roles & 50–950 ramp

primary

#4587CB

secondary

#D3B699

accent

#9548E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4587CB

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

Preview Lab → · Contrast checker → · Palette generator →