#4BB5D1#4BB5D1

#4BB5D1 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.3% C 0.104 H 218.3°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5D1
RGB	rgb(75, 181, 209)
HSL	hsl(193, 59%, 56%)
HSV	hsv(193, 64%, 82%)
CMYK	cmyk(64.1%, 13.4%, 0%, 18%)
CIE-LAB	lab(68.86, -21.84, -23.16)
CIE-LCH	lch(68.86, 31.84, 226.68°)
OKLab	oklab(72.28% -0.0816 -0.0645)
OKLCH	oklch(72.28% 0.104 218.3)
XYZ	xyz(30.9295, 39.1438, 66.2347)
Luminance	0.3915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5D1 #D1674B

analogous

#4BD1AA #4BB5D1 #4B72D1

triadic

#4BB5D1 #D14BB5 #B5D14B

tetradic

#4BB5D1 #AA4BD1 #D1674B #72D14B

square

#4BB5D1 #AA4BD1 #D1674B #72D14B

split-complementary

#4BB5D1 #D14B72 #D1AA4B

monochromatic

#216D81 #2D96B1 #4BB5D1 #7CC9DD #ACDDEA

Accessibility & contrast

On white

2.38

#4BB5D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#4BB5D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5D1

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5D1	#FFFFFF	#000000	##000000
##4BB5D1	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B0D3

Deuteranopia (green-blind)

#90A2D1

Tritanopia (blue-blind)

#00BFBE

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4bb5d1;
/* rgb */ color: rgb(75, 181, 209);
/* oklch */ color: oklch(72.3% 0.104 218.3);

Tailwind

colors: {
  custom: {
    50: '#8bcbdf',
    500: '#4bb5d1',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5d1;
$custom-light: #8bcbdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5d1",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 209
  },
  "hsl": {
    "h": 192.537,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.72279,
    "c": 0.10403,
    "h": 218.3
  },
  "luminance": 0.39147
}

Semantic roles & 50–950 ramp

primary

#4BB5D1

secondary

#D8ACA0

accent

#6645E2

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB5D1

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

Preview Lab → · Contrast checker → · Palette generator →