#3BBDF5#3BBDF5

#3BBDF5 is a light, vivid cyan. Relative luminance 0.439; OKLCH L 75.3% C 0.135 H 231.6°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#3BBDF5
RGB	rgb(59, 189, 245)
HSL	hsl(198, 90%, 60%)
HSV	hsv(198, 76%, 96%)
CMYK	cmyk(75.9%, 22.9%, 0%, 3.9%)
CIE-LAB	lab(72.17, -16.69, -37.69)
CIE-LCH	lch(72.17, 41.22, 246.11°)
OKLab	oklab(75.28% -0.0841 -0.1061)
OKLCH	oklch(75.28% 0.135 231.6)
XYZ	xyz(36.4760, 43.9132, 92.9222)
Luminance	0.4392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BBDF5 #F5733B

analogous

#3BF5D0 #3BBDF5 #3B60F5

triadic

#3BBDF5 #F53BBD #BDF53B

tetradic

#3BBDF5 #D03BF5 #F5733B #60F53B

square

#3BBDF5 #D03BF5 #F5733B #60F53B

split-complementary

#3BBDF5 #F53B60 #F5D03B

monochromatic

#097BAD #0CA5E7 #3BBDF5 #75D1F8 #AFE4FB

Accessibility & contrast

On white

2.15

#3BBDF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#3BBDF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BBDF5

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BBDF5	#FFFFFF	#000000	##000000
##3BBDF5	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BBF8

Deuteranopia (green-blind)

#88A9F4

Tritanopia (blue-blind)

#00CCD0

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #3bbdf5;
/* rgb */ color: rgb(59, 189, 245);
/* oklch */ color: oklch(75.3% 0.135 231.6);

Tailwind

colors: {
  custom: {
    50: '#8bd0f8',
    500: '#3bbdf5',
    950: '#000000',
  },
}

SCSS

$custom: #3bbdf5;
$custom-light: #8bd0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#3bbdf5",
  "rgb": {
    "r": 59,
    "g": 189,
    "b": 245
  },
  "hsl": {
    "h": 198.065,
    "s": 90.291,
    "l": 59.608
  },
  "oklch": {
    "l": 0.75277,
    "c": 0.13538,
    "h": 231.6
  },
  "luminance": 0.43918
}

Semantic roles & 50–950 ramp

primary

#3BBDF5

secondary

#EAB8A2

accent

#6929FF

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #3BBDF5

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

Preview Lab → · Contrast checker → · Palette generator →