#4BB5CB#4BB5CB

#4BB5CB is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.0% C 0.101 H 213.7°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5CB
RGB	rgb(75, 181, 203)
HSL	hsl(190, 55%, 55%)
HSV	hsv(190, 63%, 80%)
CMYK	cmyk(63.1%, 10.8%, 0%, 20.4%)
CIE-LAB	lab(68.64, -23.66, -20.18)
CIE-LCH	lch(68.64, 31.10, 220.47°)
OKLab	oklab(72.04% -0.084 -0.0561)
OKLCH	oklch(72.04% 0.101 213.7)
XYZ	xyz(30.2006, 38.8522, 62.3960)
Luminance	0.3886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5CB #CB614B

analogous

#4BCBA1 #4BB5CB #4B75CB

triadic

#4BB5CB #CB4BB5 #B5CB4B

tetradic

#4BB5CB #A14BCB #CB614B #75CB4B

square

#4BB5CB #A14BCB #CB614B #75CB4B

split-complementary

#4BB5CB #CB4B75 #CBA14B

monochromatic

#236A79 #3194A8 #4BB5CB #7AC9D9 #AADCE6

Accessibility & contrast

On white

2.39

#4BB5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#4BB5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5CB

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5CB	#FFFFFF	#000000	##000000
##4BB5CB	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AFCC

Deuteranopia (green-blind)

#92A1CB

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #4bb5cb;
/* rgb */ color: rgb(75, 181, 203);
/* oklch */ color: oklch(72.0% 0.101 213.7);

Tailwind

colors: {
  custom: {
    50: '#8bcbda',
    500: '#4bb5cb',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5cb;
$custom-light: #8bcbda;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5cb",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 203
  },
  "hsl": {
    "h": 190.313,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.7204,
    "c": 0.10099,
    "h": 213.7
  },
  "luminance": 0.38855
}

Semantic roles & 50–950 ramp

primary

#4BB5CB

secondary

#D4A79E

accent

#6349DF

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB5CB

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

Preview Lab → · Contrast checker → · Palette generator →