#4BB3E1#4BB3E1

#4BB3E1 is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.5% C 0.116 H 230.5°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3E1
RGB	rgb(75, 179, 225)
HSL	hsl(198, 71%, 59%)
HSV	hsv(198, 67%, 88%)
CMYK	cmyk(66.7%, 20.4%, 0%, 11.8%)
CIE-LAB	lab(68.87, -15.81, -31.90)
CIE-LCH	lch(68.87, 35.60, 243.63°)
OKLab	oklab(72.49% -0.0737 -0.0894)
OKLCH	oklch(72.49% 0.116 230.5)
XYZ	xyz(32.6070, 39.1688, 77.0614)
Luminance	0.3917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3E1 #E1794B

analogous

#4BE1C4 #4BB3E1 #4B68E1

triadic

#4BB3E1 #E14BB3 #B3E14B

tetradic

#4BB3E1 #C44BE1 #E1794B #68E14B

square

#4BB3E1 #C44BE1 #E1794B #68E14B

split-complementary

#4BB3E1 #E14B68 #E1C44B

monochromatic

#197198 #2298CD #4BB3E1 #7FC9EA #B4DFF2

Accessibility & contrast

On white

2.38

#4BB3E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#4BB3E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3E1

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3E1	#FFFFFF	#000000	##000000
##4BB3E1	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB1E3

Deuteranopia (green-blind)

#87A1E0

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb3e1;
/* rgb */ color: rgb(75, 179, 225);
/* oklch */ color: oklch(72.5% 0.116 230.5);

Tailwind

colors: {
  custom: {
    50: '#8dc9ea',
    500: '#4bb3e1',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3e1;
$custom-light: #8dc9ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3e1",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 225
  },
  "hsl": {
    "h": 198.4,
    "s": 71.429,
    "l": 58.824
  },
  "oklch": {
    "l": 0.72493,
    "c": 0.11584,
    "h": 230.5
  },
  "luminance": 0.39172
}

Semantic roles & 50–950 ramp

primary

#4BB3E1

secondary

#E1B8A6

accent

#713AEE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB3E1

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

Preview Lab → · Contrast checker → · Palette generator →