#3BB9E7#3BB9E7

#3BB9E7 is a light, vivid cyan. Relative luminance 0.414; OKLCH L 73.7% C 0.125 H 227.2°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3BB9E7
RGB	rgb(59, 185, 231)
HSL	hsl(196, 78%, 57%)
HSV	hsv(196, 74%, 91%)
CMYK	cmyk(74.5%, 19.9%, 0%, 9.4%)
CIE-LAB	lab(70.45, -19.20, -32.77)
CIE-LCH	lch(70.45, 37.98, 239.64°)
OKLab	oklab(73.72% -0.0853 -0.0919)
OKLCH	oklch(73.72% 0.125 227.2)
XYZ	xyz(33.5705, 41.3933, 81.8062)
Luminance	0.4140 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB9E7 #E7693B

analogous

#3BE7BF #3BB9E7 #3B63E7

triadic

#3BB9E7 #E73BB9 #B9E73B

tetradic

#3BB9E7 #BF3BE7 #E7693B #63E73B

square

#3BB9E7 #BF3BE7 #E7693B #63E73B

split-complementary

#3BB9E7 #E73B63 #E7BF3B

monochromatic

#127295 #199CCC #3BB9E7 #72CCEE #A8E0F4

Accessibility & contrast

On white

2.26

#3BB9E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#3BB9E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB9E7

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB9E7	#FFFFFF	#000000	##000000
##3BB9E7	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6E9

Deuteranopia (green-blind)

#89A5E6

Tritanopia (blue-blind)

#00C6C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #3bb9e7;
/* rgb */ color: rgb(59, 185, 231);
/* oklch */ color: oklch(73.7% 0.125 227.2);

Tailwind

colors: {
  custom: {
    50: '#88ceee',
    500: '#3bb9e7',
    950: '#000000',
  },
}

SCSS

$custom: #3bb9e7;
$custom-light: #88ceee;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb9e7",
  "rgb": {
    "r": 59,
    "g": 185,
    "b": 231
  },
  "hsl": {
    "h": 196.047,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.73717,
    "c": 0.12542,
    "h": 227.2
  },
  "luminance": 0.41397
}

Semantic roles & 50–950 ramp

primary

#3BB9E7

secondary

#E2AF9C

accent

#6733F5

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB9E7

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

Preview Lab → · Contrast checker → · Palette generator →