#3BB1E3#3BB1E3

#3BB1E3 is a light, vivid cyan. Relative luminance 0.379; OKLCH L 71.7% C 0.125 H 230.7°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#3BB1E3
RGB	rgb(59, 177, 227)
HSL	hsl(198, 75%, 56%)
HSV	hsv(198, 74%, 89%)
CMYK	cmyk(74%, 22%, 0%, 11%)
CIE-LAB	lab(67.96, -16.30, -34.44)
CIE-LCH	lch(67.96, 38.10, 244.68°)
OKLab	oklab(71.67% -0.0792 -0.0968)
OKLCH	oklch(71.67% 0.125 230.7)
XYZ	xyz(31.3853, 37.9164, 78.3226)
Luminance	0.3792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB1E3 #E36D3B

analogous

#3BE3C1 #3BB1E3 #3B5DE3

triadic

#3BB1E3 #E33BB1 #B1E33B

tetradic

#3BB1E3 #C13BE3 #E36D3B #5DE33B

square

#3BB1E3 #C13BE3 #E36D3B #5DE33B

split-complementary

#3BB1E3 #E33B5D #E3C13B

monochromatic

#146B8F #1C93C5 #3BB1E3 #71C6EB #A6DCF2

Accessibility & contrast

On white

2.45

#3BB1E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#3BB1E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB1E3

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB1E3	#FFFFFF	#000000	##000000
##3BB1E3	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98AFE5

Deuteranopia (green-blind)

#819FE2

Tritanopia (blue-blind)

#00BFC2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #3bb1e3;
/* rgb */ color: rgb(59, 177, 227);
/* oklch */ color: oklch(71.7% 0.125 230.7);

Tailwind

colors: {
  custom: {
    50: '#87c8ec',
    500: '#3bb1e3',
    950: '#000000',
  },
}

SCSS

$custom: #3bb1e3;
$custom-light: #87c8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb1e3",
  "rgb": {
    "r": 59,
    "g": 177,
    "b": 227
  },
  "hsl": {
    "h": 197.857,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.71672,
    "c": 0.12507,
    "h": 230.7
  },
  "luminance": 0.3792
}

Semantic roles & 50–950 ramp

primary

#3BB1E3

secondary

#E0AF9A

accent

#6E36F2

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB1E3

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

Preview Lab → · Contrast checker → · Palette generator →