#4BB5CC#4BB5CC

#4BB5CC is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.1% C 0.101 H 214.5°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5CC
RGB	rgb(75, 181, 204)
HSL	hsl(191, 56%, 55%)
HSV	hsv(191, 63%, 80%)
CMYK	cmyk(63.2%, 11.3%, 0%, 20%)
CIE-LAB	lab(68.68, -23.36, -20.68)
CIE-LCH	lch(68.68, 31.20, 221.53°)
OKLab	oklab(72.08% -0.0836 -0.0575)
OKLCH	oklch(72.08% 0.101 214.5)
XYZ	xyz(30.3201, 38.9000, 63.0256)
Luminance	0.3890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5CC #CC624B

analogous

#4BCCA3 #4BB5CC #4B74CC

triadic

#4BB5CC #CC4BB5 #B5CC4B

tetradic

#4BB5CC #A34BCC #CC624B #74CC4B

square

#4BB5CC #A34BCC #CC624B #74CC4B

split-complementary

#4BB5CC #CC4B74 #CCA34B

monochromatic

#236A7A #3094AA #4BB5CC #7BC9DA #AADCE7

Accessibility & contrast

On white

2.39

#4BB5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#4BB5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5CC

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5CC	#FFFFFF	#000000	##000000
##4BB5CC	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCD

Deuteranopia (green-blind)

#92A2CC

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb5cc;
/* rgb */ color: rgb(75, 181, 204);
/* oklch */ color: oklch(72.1% 0.101 214.5);

Tailwind

colors: {
  custom: {
    50: '#8bcbdb',
    500: '#4bb5cc',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5cc;
$custom-light: #8bcbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5cc",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 190.698,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.72079,
    "c": 0.10145,
    "h": 214.5
  },
  "luminance": 0.38903
}

Semantic roles & 50–950 ramp

primary

#4BB5CC

secondary

#D5A89E

accent

#6349DF

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB5CC

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

Preview Lab → · Contrast checker → · Palette generator →