#4BB3DE#4BB3DE

#4BB3DE is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.4% C 0.113 H 228.7°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3DE
RGB	rgb(75, 179, 222)
HSL	hsl(198, 69%, 58%)
HSV	hsv(198, 66%, 87%)
CMYK	cmyk(66.2%, 19.4%, 0%, 12.9%)
CIE-LAB	lab(68.76, -16.76, -30.44)
CIE-LCH	lch(68.76, 34.75, 241.16°)
OKLab	oklab(72.36% -0.0747 -0.0852)
OKLCH	oklch(72.36% 0.113 228.7)
XYZ	xyz(32.2013, 39.0065, 74.9250)
Luminance	0.3901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3DE #DE764B

analogous

#4BDEBF #4BB3DE #4B69DE

triadic

#4BB3DE #DE4BB3 #B3DE4B

tetradic

#4BB3DE #BF4BDE #DE764B #69DE4B

square

#4BB3DE #BF4BDE #DE764B #69DE4B

split-complementary

#4BB3DE #DE4B69 #DEBF4B

monochromatic

#1B7094 #2598C7 #4BB3DE #7FC9E7 #B2DFF1

Accessibility & contrast

On white

2.39

#4BB3DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#4BB3DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3DE

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3DE	#FFFFFF	#000000	##000000
##4BB3DE	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB0E0

Deuteranopia (green-blind)

#88A1DD

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb3de;
/* rgb */ color: rgb(75, 179, 222);
/* oklch */ color: oklch(72.4% 0.113 228.7);

Tailwind

colors: {
  custom: {
    50: '#8dc9e8',
    500: '#4bb3de',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3de;
$custom-light: #8dc9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3de",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 222
  },
  "hsl": {
    "h": 197.551,
    "s": 69.014,
    "l": 58.235
  },
  "oklch": {
    "l": 0.7236,
    "c": 0.11334,
    "h": 228.7
  },
  "luminance": 0.3901
}

Semantic roles & 50–950 ramp

primary

#4BB3DE

secondary

#E0B6A5

accent

#6F3CEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB3DE

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

Preview Lab → · Contrast checker → · Palette generator →