#4BB3DB#4BB3DB

#4BB3DB is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.2% C 0.111 H 226.9°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3DB
RGB	rgb(75, 179, 219)
HSL	hsl(197, 67%, 58%)
HSV	hsv(197, 66%, 86%)
CMYK	cmyk(65.8%, 18.3%, 0%, 14.1%)
CIE-LAB	lab(68.64, -17.71, -28.97)
CIE-LCH	lch(68.64, 33.96, 238.57°)
OKLab	oklab(72.23% -0.0758 -0.081)
OKLCH	oklch(72.23% 0.111 226.9)
XYZ	xyz(31.8028, 38.8471, 72.8263)
Luminance	0.3885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3DB #DB734B

analogous

#4BDBBB #4BB3DB #4B6BDB

triadic

#4BB3DB #DB4BB3 #B3DB4B

tetradic

#4BB3DB #BB4BDB #DB734B #6BDB4B

square

#4BB3DB #BB4BDB #DB734B #6BDB4B

split-complementary

#4BB3DB #DB4B6B #DBBB4B

monochromatic

#1D6F8F #2797C2 #4BB3DB #7EC9E5 #B1DEEF

Accessibility & contrast

On white

2.39

#4BB3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#4BB3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3DB

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3DB	#FFFFFF	#000000	##000000
##4BB3DB	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)

#9EB0DD

Deuteranopia (green-blind)

#8AA1DB

Tritanopia (blue-blind)

#00BFC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #4bb3db;
/* rgb */ color: rgb(75, 179, 219);
/* oklch */ color: oklch(72.2% 0.111 226.9);

Tailwind

colors: {
  custom: {
    50: '#8cc9e6',
    500: '#4bb3db',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3db;
$custom-light: #8cc9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3db",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 196.667,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7223,
    "c": 0.11097,
    "h": 226.9
  },
  "luminance": 0.38851
}

Semantic roles & 50–950 ramp

primary

#4BB3DB

secondary

#DEB4A4

accent

#6E3EEA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB3DB

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

Preview Lab → · Contrast checker → · Palette generator →