#4BB3E5#4BB3E5

#4BB3E5 is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.7% C 0.119 H 232.7°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3E5
RGB	rgb(75, 179, 229)
HSL	hsl(199, 75%, 60%)
HSV	hsv(199, 67%, 90%)
CMYK	cmyk(67.2%, 21.8%, 0%, 10.2%)
CIE-LAB	lab(69.03, -14.53, -33.84)
CIE-LCH	lch(69.03, 36.83, 246.76°)
OKLab	oklab(72.67% -0.0723 -0.095)
OKLCH	oklch(72.67% 0.119 232.7)
XYZ	xyz(33.1590, 39.3896, 79.9690)
Luminance	0.3939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3E5 #E57D4B

analogous

#4BE5CA #4BB3E5 #4B66E5

triadic

#4BB3E5 #E54BB3 #B3E54B

tetradic

#4BB3E5 #CA4BE5 #E57D4B #66E54B

square

#4BB3E5 #CA4BE5 #E57D4B #66E54B

split-complementary

#4BB3E5 #E54B66 #E5CA4B

monochromatic

#17739F #1F99D4 #4BB3E5 #80CAED #B6E0F4

Accessibility & contrast

On white

2.37

#4BB3E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#4BB3E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3E5

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3E5	#FFFFFF	#000000	##000000
##4BB3E5	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB1E7

Deuteranopia (green-blind)

#85A2E4

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb3e5;
/* rgb */ color: rgb(75, 179, 229);
/* oklch */ color: oklch(72.7% 0.119 232.7);

Tailwind

colors: {
  custom: {
    50: '#8ec9ed',
    500: '#4bb3e5',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3e5;
$custom-light: #8ec9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3e5",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 229
  },
  "hsl": {
    "h": 199.481,
    "s": 74.757,
    "l": 59.608
  },
  "oklch": {
    "l": 0.72672,
    "c": 0.11934,
    "h": 232.7
  },
  "luminance": 0.39393
}

Semantic roles & 50–950 ramp

primary

#4BB3E5

secondary

#E4BBA8

accent

#7336F1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB3E5

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

Preview Lab → · Contrast checker → · Palette generator →