#4BB5E1#4BB5E1

#4BB5E1 is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.115 H 228.9°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5E1
RGB	rgb(75, 181, 225)
HSL	hsl(198, 71%, 59%)
HSV	hsv(198, 67%, 88%)
CMYK	cmyk(66.7%, 19.6%, 0%, 11.8%)
CIE-LAB	lab(69.45, -16.87, -31.00)
CIE-LCH	lch(69.45, 35.30, 241.45°)
OKLab	oklab(72.96% -0.0757 -0.0868)
OKLCH	oklch(72.96% 0.115 228.9)
XYZ	xyz(33.0107, 39.9763, 77.1960)
Luminance	0.3998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5E1 #E1774B

analogous

#4BE1C2 #4BB5E1 #4B6AE1

triadic

#4BB5E1 #E14BB5 #B5E14B

tetradic

#4BB5E1 #C24BE1 #E1774B #6AE14B

square

#4BB5E1 #C24BE1 #E1774B #6AE14B

split-complementary

#4BB5E1 #E14B6A #E1C24B

monochromatic

#197398 #229BCD #4BB5E1 #7FCBEA #B4E0F2

Accessibility & contrast

On white

2.33

#4BB5E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#4BB5E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5E1

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5E1	#FFFFFF	#000000	##000000
##4BB5E1	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB2E3

Deuteranopia (green-blind)

#89A3E0

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4bb5e1;
/* rgb */ color: rgb(75, 181, 225);
/* oklch */ color: oklch(73.0% 0.115 228.9);

Tailwind

colors: {
  custom: {
    50: '#8dcbea',
    500: '#4bb5e1',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5e1;
$custom-light: #8dcbea;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5e1",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 225
  },
  "hsl": {
    "h": 197.6,
    "s": 71.429,
    "l": 58.824
  },
  "oklch": {
    "l": 0.72955,
    "c": 0.11517,
    "h": 228.9
  },
  "luminance": 0.3998
}

Semantic roles & 50–950 ramp

primary

#4BB5E1

secondary

#E1B8A6

accent

#6F3AEE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4BB5E1

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

Preview Lab → · Contrast checker → · Palette generator →