#4BB9DB#4BB9DB

#4BB9DB is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.110 H 221.8°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9DB
RGB	rgb(75, 185, 219)
HSL	hsl(194, 67%, 58%)
HSV	hsv(194, 66%, 86%)
CMYK	cmyk(65.8%, 15.5%, 0%, 14.1%)
CIE-LAB	lab(70.39, -20.83, -26.29)
CIE-LCH	lch(70.39, 33.54, 231.60°)
OKLab	oklab(73.63% -0.0819 -0.0733)
OKLCH	oklch(73.63% 0.11 221.8)
XYZ	xyz(33.0316, 41.3047, 73.2359)
Luminance	0.4131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9DB #DB6D4B

analogous

#4BDBB5 #4BB9DB #4B71DB

triadic

#4BB9DB #DB4BB9 #B9DB4B

tetradic

#4BB9DB #B54BDB #DB6D4B #71DB4B

square

#4BB9DB #B54BDB #DB6D4B #71DB4B

split-complementary

#4BB9DB #DB4B71 #DBB54B

monochromatic

#1D748F #279DC2 #4BB9DB #7ECDE5 #B1E1EF

Accessibility & contrast

On white

2.27

#4BB9DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#4BB9DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9DB

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9DB	#FFFFFF	#000000	##000000
##4BB9DB	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DD

Deuteranopia (green-blind)

#91A6DB

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4bb9db;
/* rgb */ color: rgb(75, 185, 219);
/* oklch */ color: oklch(73.6% 0.110 221.8);

Tailwind

colors: {
  custom: {
    50: '#8dcee6',
    500: '#4bb9db',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9db;
$custom-light: #8dcee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9db",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 219
  },
  "hsl": {
    "h": 194.167,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.73629,
    "c": 0.10995,
    "h": 221.8
  },
  "luminance": 0.41308
}

Semantic roles & 50–950 ramp

primary

#4BB9DB

secondary

#DEB2A4

accent

#673EEA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB9DB

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

Preview Lab → · Contrast checker → · Palette generator →