#4BB5DD#4BB5DD

#4BB5DD is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.8% C 0.112 H 226.5°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5DD
RGB	rgb(75, 181, 221)
HSL	hsl(196, 68%, 58%)
HSV	hsv(196, 66%, 87%)
CMYK	cmyk(66.1%, 18.1%, 0%, 13.3%)
CIE-LAB	lab(69.30, -18.13, -29.06)
CIE-LCH	lch(69.30, 34.25, 238.03°)
OKLab	oklab(72.78% -0.0771 -0.0812)
OKLCH	oklch(72.78% 0.112 226.5)
XYZ	xyz(32.4714, 39.7606, 74.3558)
Luminance	0.3976 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5DD #DD734B

analogous

#4BDDBC #4BB5DD #4B6CDD

triadic

#4BB5DD #DD4BB5 #B5DD4B

tetradic

#4BB5DD #BC4BDD #DD734B #6CDD4B

square

#4BB5DD #BC4BDD #DD734B #6CDD4B

split-complementary

#4BB5DD #DD4B6C #DDBC4B

monochromatic

#1C7292 #259AC5 #4BB5DD #7ECAE7 #B2DFF0

Accessibility & contrast

On white

2.35

#4BB5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#4BB5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5DD

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5DD	#FFFFFF	#000000	##000000
##4BB5DD	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2DF

Deuteranopia (green-blind)

#8BA3DD

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4bb5dd;
/* rgb */ color: rgb(75, 181, 221);
/* oklch */ color: oklch(72.8% 0.112 226.5);

Tailwind

colors: {
  custom: {
    50: '#8dcbe7',
    500: '#4bb5dd',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5dd;
$custom-light: #8dcbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5dd",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 221
  },
  "hsl": {
    "h": 196.438,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.72781,
    "c": 0.11201,
    "h": 226.5
  },
  "luminance": 0.39764
}

Semantic roles & 50–950 ramp

primary

#4BB5DD

secondary

#DFB5A5

accent

#6C3DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB5DD

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

Preview Lab → · Contrast checker → · Palette generator →