#4BB3D9#4BB3D9

#4BB3D9 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.1% C 0.109 H 225.6°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#4BB3D9
RGB	rgb(75, 179, 217)
HSL	hsl(196, 65%, 57%)
HSV	hsv(196, 65%, 85%)
CMYK	cmyk(65.4%, 17.5%, 0%, 14.9%)
CIE-LAB	lab(68.56, -18.34, -28.00)
CIE-LCH	lch(68.56, 33.47, 236.78°)
OKLab	oklab(72.14% -0.0766 -0.0782)
OKLCH	oklch(72.14% 0.109 225.6)
XYZ	xyz(31.5411, 38.7424, 71.4480)
Luminance	0.3875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB3D9 #D9714B

analogous

#4BD9B8 #4BB3D9 #4B6CD9

triadic

#4BB3D9 #D94BB3 #B3D94B

tetradic

#4BB3D9 #B84BD9 #D9714B #6CD94B

square

#4BB3D9 #B84BD9 #D9714B #6CD94B

split-complementary

#4BB3D9 #D94B6C #D9B84B

monochromatic

#1E6E8C #2896BF #4BB3D9 #7EC8E4 #B0DEEE

Accessibility & contrast

On white

2.40

#4BB3D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#4BB3D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB3D9

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB3D9	#FFFFFF	#000000	##000000
##4BB3D9	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAFDB

Deuteranopia (green-blind)

#8AA1D9

Tritanopia (blue-blind)

#00BEBF

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #4bb3d9;
/* rgb */ color: rgb(75, 179, 217);
/* oklch */ color: oklch(72.1% 0.109 225.6);

Tailwind

colors: {
  custom: {
    50: '#8cc9e4',
    500: '#4bb3d9',
    950: '#000000',
  },
}

SCSS

$custom: #4bb3d9;
$custom-light: #8cc9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb3d9",
  "rgb": {
    "r": 75,
    "g": 179,
    "b": 217
  },
  "hsl": {
    "h": 196.056,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.72144,
    "c": 0.10945,
    "h": 225.6
  },
  "luminance": 0.38746
}

Semantic roles & 50–950 ramp

primary

#4BB3D9

secondary

#DDB3A3

accent

#6D40E8

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB3D9

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

Preview Lab → · Contrast checker → · Palette generator →