#4BB9D1#4BB9D1

#4BB9D1 is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.2% C 0.104 H 214.7°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9D1
RGB	rgb(75, 185, 209)
HSL	hsl(191, 59%, 56%)
HSV	hsv(191, 64%, 82%)
CMYK	cmyk(64.1%, 11.5%, 0%, 18%)
CIE-LAB	lab(70.03, -23.88, -21.37)
CIE-LCH	lch(70.03, 32.04, 221.82°)
OKLab	oklab(73.22% -0.0858 -0.0594)
OKLCH	oklch(73.22% 0.104 214.7)
XYZ	xyz(31.7545, 40.7938, 66.5097)
Luminance	0.4080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9D1 #D1634B

analogous

#4BD1A6 #4BB9D1 #4B76D1

triadic

#4BB9D1 #D14BB9 #B9D14B

tetradic

#4BB9D1 #A64BD1 #D1634B #76D14B

square

#4BB9D1 #A64BD1 #D1634B #76D14B

split-complementary

#4BB9D1 #D14B76 #D1A64B

monochromatic

#217081 #2D9AB1 #4BB9D1 #7CCCDD #ACDFEA

Accessibility & contrast

On white

2.29

#4BB9D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#4BB9D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9D1

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9D1	#FFFFFF	#000000	##000000
##4BB9D1	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D2

Deuteranopia (green-blind)

#94A5D1

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4bb9d1;
/* rgb */ color: rgb(75, 185, 209);
/* oklch */ color: oklch(73.2% 0.104 214.7);

Tailwind

colors: {
  custom: {
    50: '#8ccedf',
    500: '#4bb9d1',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9d1;
$custom-light: #8ccedf;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9d1",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 209
  },
  "hsl": {
    "h": 190.746,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.73223,
    "c": 0.10433,
    "h": 214.7
  },
  "luminance": 0.40797
}

Semantic roles & 50–950 ramp

primary

#4BB9D1

secondary

#D8AAA0

accent

#6145E2

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB9D1

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

Preview Lab → · Contrast checker → · Palette generator →