#3BB4E3#3BB4E3

#3BB4E3 is a light, vivid cyan. Relative luminance 0.391; OKLCH L 72.4% C 0.124 H 228.6°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#3BB4E3
RGB	rgb(59, 180, 227)
HSL	hsl(197, 75%, 56%)
HSV	hsv(197, 74%, 89%)
CMYK	cmyk(74%, 20.7%, 0%, 11%)
CIE-LAB	lab(68.83, -17.89, -33.09)
CIE-LCH	lch(68.83, 37.61, 241.61°)
OKLab	oklab(72.37% -0.082 -0.0929)
OKLCH	oklch(72.37% 0.124 228.6)
XYZ	xyz(31.9844, 39.1146, 78.5223)
Luminance	0.3912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB4E3 #E36A3B

analogous

#3BE3BE #3BB4E3 #3B60E3

triadic

#3BB4E3 #E33BB4 #B4E33B

tetradic

#3BB4E3 #BE3BE3 #E36A3B #60E33B

square

#3BB4E3 #BE3BE3 #E36A3B #60E33B

split-complementary

#3BB4E3 #E33B60 #E3BE3B

monochromatic

#146D8F #1C96C5 #3BB4E3 #71C8EB #A6DDF2

Accessibility & contrast

On white

2.38

#3BB4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#3BB4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB4E3

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB4E3	#FFFFFF	#000000	##000000
##3BB4E3	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB1E5

Deuteranopia (green-blind)

#85A1E2

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3bb4e3;
/* rgb */ color: rgb(59, 180, 227);
/* oklch */ color: oklch(72.4% 0.124 228.6);

Tailwind

colors: {
  custom: {
    50: '#88caec',
    500: '#3bb4e3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb4e3;
$custom-light: #88caec;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb4e3",
  "rgb": {
    "r": 59,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 196.786,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.72371,
    "c": 0.12392,
    "h": 228.6
  },
  "luminance": 0.39118
}

Semantic roles & 50–950 ramp

primary

#3BB4E3

secondary

#E0AE9A

accent

#6B36F2

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB4E3

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

Preview Lab → · Contrast checker → · Palette generator →