#3BB5E3#3BB5E3

#3BB5E3 is a light, vivid cyan. Relative luminance 0.395; OKLCH L 72.6% C 0.124 H 227.8°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5E3
RGB	rgb(59, 181, 227)
HSL	hsl(196, 75%, 56%)
HSV	hsv(196, 74%, 89%)
CMYK	cmyk(74%, 20.3%, 0%, 11%)
CIE-LAB	lab(69.13, -18.41, -32.63)
CIE-LCH	lch(69.13, 37.47, 240.57°)
OKLab	oklab(72.61% -0.0829 -0.0916)
OKLCH	oklch(72.61% 0.124 227.8)
XYZ	xyz(32.1870, 39.5198, 78.5899)
Luminance	0.3952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5E3 #E3693B

analogous

#3BE3BD #3BB5E3 #3B61E3

triadic

#3BB5E3 #E33BB5 #B5E33B

tetradic

#3BB5E3 #BD3BE3 #E3693B #61E33B

square

#3BB5E3 #BD3BE3 #E3693B #61E33B

split-complementary

#3BB5E3 #E33B61 #E3BD3B

monochromatic

#146E8F #1C97C5 #3BB5E3 #71C9EB #A6DDF2

Accessibility & contrast

On white

2.36

#3BB5E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#3BB5E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5E3

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5E3	#FFFFFF	#000000	##000000
##3BB5E3	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E5

Deuteranopia (green-blind)

#86A2E2

Tritanopia (blue-blind)

#00C2C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #3bb5e3;
/* rgb */ color: rgb(59, 181, 227);
/* oklch */ color: oklch(72.6% 0.124 227.8);

Tailwind

colors: {
  custom: {
    50: '#88cbec',
    500: '#3bb5e3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5e3;
$custom-light: #88cbec;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5e3",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 227
  },
  "hsl": {
    "h": 196.429,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.72605,
    "c": 0.12357,
    "h": 227.8
  },
  "luminance": 0.39524
}

Semantic roles & 50–950 ramp

primary

#3BB5E3

secondary

#E0AD9A

accent

#6A36F2

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB5E3

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

Preview Lab → · Contrast checker → · Palette generator →