#4BB3E0#4BB3E0

#4BB3E0 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.4% C 0.115 H 229.9°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3E0
RGB	rgb(75, 179, 224)
HSL	hsl(198, 71%, 59%)
HSV	hsv(198, 67%, 88%)
CMYK	cmyk(66.5%, 20.1%, 0%, 12.2%)
CIE-LAB	lab(68.83, -16.13, -31.41)
CIE-LCH	lch(68.83, 35.31, 242.82°)
OKLab	oklab(72.45% -0.074 -0.088)
OKLCH	oklch(72.45% 0.115 229.9)
XYZ	xyz(32.4710, 39.1144, 76.3451)
Luminance	0.3912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3E0 #E0784B

analogous

#4BE0C2 #4BB3E0 #4B68E0

triadic

#4BB3E0 #E04BB3 #B3E04B

tetradic

#4BB3E0 #C24BE0 #E0784B #68E04B

square

#4BB3E0 #C24BE0 #E0784B #68E04B

split-complementary

#4BB3E0 #E04B68 #E0C24B

monochromatic

#1A7197 #2398CB #4BB3E0 #7FC9E9 #B3DFF2

Accessibility & contrast

On white

2.38

#4BB3E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#4BB3E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3E0

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3E0	#FFFFFF	#000000	##000000
##4BB3E0	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0E2

Deuteranopia (green-blind)

#87A1DF

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb3e0;
/* rgb */ color: rgb(75, 179, 224);
/* oklch */ color: oklch(72.4% 0.115 229.9);

Tailwind

colors: {
  custom: {
    50: '#8dc9e9',
    500: '#4bb3e0',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3e0;
$custom-light: #8dc9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3e0",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 224
  },
  "hsl": {
    "h": 198.121,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72448,
    "c": 0.115,
    "h": 229.9
  },
  "luminance": 0.39118
}

Semantic roles & 50–950 ramp

primary

#4BB3E0

secondary

#E1B8A6

accent

#703AED

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB3E0

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

Preview Lab → · Contrast checker → · Palette generator →