#4B88BB#4B88BB

#4B88BB is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.101 H 245.7°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4B88BB
RGB	rgb(75, 136, 187)
HSL	hsl(207, 45%, 51%)
HSV	hsv(207, 60%, 73%)
CMYK	cmyk(59.9%, 27.3%, 0%, 26.7%)
CIE-LAB	lab(54.75, -4.27, -32.62)
CIE-LCH	lch(54.75, 32.90, 262.53°)
OKLab	oklab(60.76% -0.0414 -0.0917)
OKLCH	oklch(60.76% 0.101 245.7)
XYZ	xyz(20.6722, 22.6901, 50.2943)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B88BB #BB7E4B

analogous

#4BBBB6 #4B88BB #4B50BB

triadic

#4B88BB #BB4B88 #88BB4B

tetradic

#4B88BB #B64BBB #BB7E4B #50BB4B

square

#4B88BB #B64BBB #BB7E4B #50BB4B

split-complementary

#4B88BB #BB4B50 #BBB64B

monochromatic

#264965 #376892 #4B88BB #77A5CC #A4C3DD

Accessibility & contrast

On white

3.79

#4B88BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4B88BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B88BB

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B88BB	#FFFFFF	#000000	##000000
##4B88BB	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7289BD

Deuteranopia (green-blind)

#637EBA

Tritanopia (blue-blind)

#00949A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4b88bb;
/* rgb */ color: rgb(75, 136, 187);
/* oklch */ color: oklch(60.8% 0.101 245.7);

Tailwind

colors: {
  custom: {
    50: '#87aacf',
    500: '#4b88bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b88bb;
$custom-light: #87aacf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b88bb",
  "rgb": {
    "r": 75,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 207.321,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.60764,
    "c": 0.10059,
    "h": 245.7
  },
  "luminance": 0.22692
}

Semantic roles & 50–950 ramp

primary

#4B88BB

secondary

#CAAF98

accent

#8E53D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4B88BB

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

Preview Lab → · Contrast checker → · Palette generator →