#4BB3E7#4BB3E7

#4BB3E7 is a light, vivid cyan. Relative luminance 0.395; OKLCH L 72.8% C 0.121 H 233.8°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3E7
RGB	rgb(75, 179, 231)
HSL	hsl(200, 76%, 60%)
HSV	hsv(200, 68%, 91%)
CMYK	cmyk(67.5%, 22.5%, 0%, 9.4%)
CIE-LAB	lab(69.11, -13.89, -34.81)
CIE-LCH	lch(69.11, 37.48, 248.24°)
OKLab	oklab(72.76% -0.0716 -0.0977)
OKLCH	oklch(72.76% 0.121 233.8)
XYZ	xyz(33.4399, 39.5019, 81.4481)
Luminance	0.3951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3E7 #E77F4B

analogous

#4BE7CD #4BB3E7 #4B65E7

triadic

#4BB3E7 #E74BB3 #B3E74B

tetradic

#4BB3E7 #CD4BE7 #E77F4B #65E74B

square

#4BB3E7 #CD4BE7 #E77F4B #65E74B

split-complementary

#4BB3E7 #E74B65 #E7CD4B

monochromatic

#1673A2 #1D9AD8 #4BB3E7 #81CAEE #B7E1F5

Accessibility & contrast

On white

2.36

#4BB3E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#4BB3E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3E7

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3E7	#FFFFFF	#000000	##000000
##4BB3E7	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB1E9

Deuteranopia (green-blind)

#84A2E6

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4bb3e7;
/* rgb */ color: rgb(75, 179, 231);
/* oklch */ color: oklch(72.8% 0.121 233.8);

Tailwind

colors: {
  custom: {
    50: '#8ec9ee',
    500: '#4bb3e7',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3e7;
$custom-light: #8ec9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3e7",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 231
  },
  "hsl": {
    "h": 200,
    "s": 76.471,
    "l": 60
  },
  "oklch": {
    "l": 0.72763,
    "c": 0.12116,
    "h": 233.8
  },
  "luminance": 0.39506
}

Semantic roles & 50–950 ramp

primary

#4BB3E7

secondary

#E5BDA9

accent

#7435F3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB3E7

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

Preview Lab → · Contrast checker → · Palette generator →