#3BBDE9#3BBDE9

#3BBDE9 is a light, vivid cyan. Relative luminance 0.432; OKLCH L 74.7% C 0.126 H 225.4°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#3BBDE9
RGB	rgb(59, 189, 233)
HSL	hsl(195, 80%, 57%)
HSV	hsv(195, 75%, 91%)
CMYK	cmyk(74.7%, 18.9%, 0%, 8.6%)
CIE-LAB	lab(71.69, -20.62, -31.93)
CIE-LCH	lch(71.69, 38.01, 237.15°)
OKLab	oklab(74.74% -0.0883 -0.0895)
OKLCH	oklch(74.74% 0.126 225.4)
XYZ	xyz(34.7031, 43.2040, 83.5852)
Luminance	0.4321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BBDE9 #E9673B

analogous

#3BE9BE #3BBDE9 #3B66E9

triadic

#3BBDE9 #E93BBD #BDE93B

tetradic

#3BBDE9 #BE3BE9 #E9673B #66E93B

square

#3BBDE9 #BE3BE9 #E9673B #66E93B

split-complementary

#3BBDE9 #E93B66 #E9BE3B

monochromatic

#117698 #17A1D0 #3BBDE9 #72D0EF #A9E2F5

Accessibility & contrast

On white

2.18

#3BBDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#3BBDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BBDE9

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BBDE9	#FFFFFF	#000000	##000000
##3BBDE9	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B9EB

Deuteranopia (green-blind)

#8DA8E8

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #3bbde9;
/* rgb */ color: rgb(59, 189, 233);
/* oklch */ color: oklch(74.7% 0.126 225.4);

Tailwind

colors: {
  custom: {
    50: '#89d1f0',
    500: '#3bbde9',
    950: '#000000',
  },
}

SCSS

$custom: #3bbde9;
$custom-light: #89d1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#3bbde9",
  "rgb": {
    "r": 59,
    "g": 189,
    "b": 233
  },
  "hsl": {
    "h": 195.172,
    "s": 79.817,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74737,
    "c": 0.12577,
    "h": 225.4
  },
  "luminance": 0.43208
}

Semantic roles & 50–950 ramp

primary

#3BBDE9

secondary

#E3AE9D

accent

#6332F6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #3BBDE9

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

Preview Lab → · Contrast checker → · Palette generator →