#4BB9DD#4BB9DD

#4BB9DD is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.7% C 0.111 H 223.2°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9DD
RGB	rgb(75, 185, 221)
HSL	hsl(195, 68%, 58%)
HSV	hsv(195, 66%, 87%)
CMYK	cmyk(66.1%, 16.3%, 0%, 13.3%)
CIE-LAB	lab(70.46, -20.21, -27.27)
CIE-LCH	lch(70.46, 33.94, 233.45°)
OKLab	oklab(73.71% -0.0812 -0.0761)
OKLCH	oklch(73.71% 0.111 223.2)
XYZ	xyz(33.2965, 41.4106, 74.6309)
Luminance	0.4141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9DD #DD6F4B

analogous

#4BDDB8 #4BB9DD #4B70DD

triadic

#4BB9DD #DD4BB9 #B9DD4B

tetradic

#4BB9DD #B84BDD #DD6F4B #70DD4B

square

#4BB9DD #B84BDD #DD6F4B #70DD4B

split-complementary

#4BB9DD #DD4B70 #DDB84B

monochromatic

#1C7592 #259EC5 #4BB9DD #7ECDE7 #B2E1F0

Accessibility & contrast

On white

2.26

#4BB9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#4BB9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9DD

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9DD	#FFFFFF	#000000	##000000
##4BB9DD	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B5DF

Deuteranopia (green-blind)

#90A6DD

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4bb9dd;
/* rgb */ color: rgb(75, 185, 221);
/* oklch */ color: oklch(73.7% 0.111 223.2);

Tailwind

colors: {
  custom: {
    50: '#8dcee7',
    500: '#4bb9dd',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9dd;
$custom-light: #8dcee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9dd",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 221
  },
  "hsl": {
    "h": 194.795,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.73712,
    "c": 0.11128,
    "h": 223.2
  },
  "luminance": 0.41414
}

Semantic roles & 50–950 ramp

primary

#4BB9DD

secondary

#DFB3A5

accent

#683DEB

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB9DD

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

Preview Lab → · Contrast checker → · Palette generator →