#3BB5DF#3BB5DF

#3BB5DF is a light, vivid cyan. Relative luminance 0.393; OKLCH L 72.4% C 0.121 H 225.5°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#3BB5DF
RGB	rgb(59, 181, 223)
HSL	hsl(195, 72%, 55%)
HSV	hsv(195, 74%, 87%)
CMYK	cmyk(73.5%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(68.97, -19.72, -30.69)
CIE-LCH	lch(68.97, 36.48, 237.28°)
OKLab	oklab(72.43% -0.0844 -0.086)
OKLCH	oklch(72.43% 0.121 225.5)
XYZ	xyz(31.6413, 39.3015, 75.7161)
Luminance	0.3931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB5DF #DF653B

analogous

#3BDFB7 #3BB5DF #3B63DF

triadic

#3BB5DF #DF3BB5 #B5DF3B

tetradic

#3BB5DF #B73BDF #DF653B #63DF3B

square

#3BB5DF #B73BDF #DF653B #63DF3B

split-complementary

#3BB5DF #DF3B63 #DFB73B

monochromatic

#166C89 #1F95BE #3BB5DF #70C9E8 #A4DDF0

Accessibility & contrast

On white

2.37

#3BB5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#3BB5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB5DF

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB5DF	#FFFFFF	#000000	##000000
##3BB5DF	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB1E1

Deuteranopia (green-blind)

#88A1DF

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #3bb5df;
/* rgb */ color: rgb(59, 181, 223);
/* oklch */ color: oklch(72.4% 0.121 225.5);

Tailwind

colors: {
  custom: {
    50: '#87cbe9',
    500: '#3bb5df',
    950: '#000000',
  },
}

SCSS

$custom: #3bb5df;
$custom-light: #87cbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb5df",
  "rgb": {
    "r": 59,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 195.366,
    "s": 71.93,
    "l": 55.294
  },
  "oklch": {
    "l": 0.72427,
    "c": 0.12051,
    "h": 225.5
  },
  "luminance": 0.39305
}

Semantic roles & 50–950 ramp

primary

#3BB5DF

secondary

#DDAA99

accent

#6839EF

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB5DF

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

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