#4BB3E3#4BB3E3

#4BB3E3 is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.6% C 0.118 H 231.6°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3E3
RGB	rgb(75, 179, 227)
HSL	hsl(199, 73%, 59%)
HSV	hsv(199, 67%, 89%)
CMYK	cmyk(67%, 21.1%, 0%, 11%)
CIE-LAB	lab(68.95, -15.17, -32.87)
CIE-LCH	lch(68.95, 36.20, 245.22°)
OKLab	oklab(72.58% -0.073 -0.0922)
OKLCH	oklch(72.58% 0.118 231.6)
XYZ	xyz(32.8814, 39.2785, 78.5068)
Luminance	0.3928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3E3 #E37B4B

analogous

#4BE3C7 #4BB3E3 #4B67E3

triadic

#4BB3E3 #E34BB3 #B3E34B

tetradic

#4BB3E3 #C74BE3 #E37B4B #67E34B

square

#4BB3E3 #C74BE3 #E37B4B #67E34B

split-complementary

#4BB3E3 #E34B67 #E3C74B

monochromatic

#18729B #2099D0 #4BB3E3 #80C9EB #B5E0F3

Accessibility & contrast

On white

2.37

#4BB3E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#4BB3E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3E3

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3E3	#FFFFFF	#000000	##000000
##4BB3E3	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB1E5

Deuteranopia (green-blind)

#86A2E2

Tritanopia (blue-blind)

#00C0C3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb3e3;
/* rgb */ color: rgb(75, 179, 227);
/* oklch */ color: oklch(72.6% 0.118 231.6);

Tailwind

colors: {
  custom: {
    50: '#8dc9ec',
    500: '#4bb3e3',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3e3;
$custom-light: #8dc9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3e3",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 227
  },
  "hsl": {
    "h": 198.947,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72582,
    "c": 0.11757,
    "h": 231.6
  },
  "luminance": 0.39282
}

Semantic roles & 50–950 ramp

primary

#4BB3E3

secondary

#E3BAA7

accent

#7238F0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB3E3

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

Preview Lab → · Contrast checker → · Palette generator →