#4B87BB#4B87BB

#4B87BB is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.5% C 0.101 H 246.6°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4B87BB
RGB	rgb(75, 135, 187)
HSL	hsl(208, 45%, 51%)
HSV	hsv(208, 60%, 73%)
CMYK	cmyk(59.9%, 27.8%, 0%, 26.7%)
CIE-LAB	lab(54.46, -3.69, -33.07)
CIE-LCH	lch(54.46, 33.28, 263.63°)
OKLab	oklab(60.53% -0.0403 -0.093)
OKLCH	oklch(60.53% 0.101 246.6)
XYZ	xyz(20.5320, 22.4098, 50.2476)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B87BB #BB7F4B

analogous

#4BBBB7 #4B87BB #4B4FBB

triadic

#4B87BB #BB4B87 #87BB4B

tetradic

#4B87BB #B74BBB #BB7F4B #4FBB4B

square

#4B87BB #B74BBB #BB7F4B #4FBB4B

split-complementary

#4B87BB #BB4B4F #BBB74B

monochromatic

#264865 #376892 #4B87BB #77A5CC #A4C2DD

Accessibility & contrast

On white

3.83

#4B87BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4B87BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B87BB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B87BB	#FFFFFF	#000000	##000000
##4B87BB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7188BD

Deuteranopia (green-blind)

#627DBA

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4b87bb;
/* rgb */ color: rgb(75, 135, 187);
/* oklch */ color: oklch(60.5% 0.101 246.6);

Tailwind

colors: {
  custom: {
    50: '#87a9cf',
    500: '#4b87bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b87bb;
$custom-light: #87a9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b87bb",
  "rgb": {
    "r": 75,
    "g": 135,
    "b": 187
  },
  "hsl": {
    "h": 207.857,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.60533,
    "c": 0.10136,
    "h": 246.6
  },
  "luminance": 0.22412
}

Semantic roles & 50–950 ramp

primary

#4B87BB

secondary

#CAAF98

accent

#8F53D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4B87BB

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

Preview Lab → · Contrast checker → · Palette generator →