#3BB2E7#3BB2E7

#3BB2E7 is a light, vivid cyan. Relative luminance 0.385; OKLCH L 72.1% C 0.128 H 232.1°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3BB2E7
RGB	rgb(59, 178, 231)
HSL	hsl(198, 78%, 57%)
HSV	hsv(198, 74%, 91%)
CMYK	cmyk(74.5%, 22.9%, 0%, 9.4%)
CIE-LAB	lab(68.41, -15.50, -35.92)
CIE-LCH	lch(68.41, 39.13, 246.66°)
OKLab	oklab(72.09% -0.0787 -0.1011)
OKLCH	oklch(72.09% 0.128 232.1)
XYZ	xyz(32.1420, 38.5363, 81.3301)
Luminance	0.3854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3BB2E7 #E7703B

analogous

#3BE7C6 #3BB2E7 #3B5CE7

triadic

#3BB2E7 #E73BB2 #B2E73B

tetradic

#3BB2E7 #C63BE7 #E7703B #5CE73B

square

#3BB2E7 #C63BE7 #E7703B #5CE73B

split-complementary

#3BB2E7 #E73B5C #E7C63B

monochromatic

#126D95 #1995CC #3BB2E7 #72C7EE #A8DDF4

Accessibility & contrast

On white

2.41

#3BB2E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#3BB2E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3BB2E7

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3BB2E7	#FFFFFF	#000000	##000000
##3BB2E7	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B0EA

Deuteranopia (green-blind)

#80A0E6

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3bb2e7;
/* rgb */ color: rgb(59, 178, 231);
/* oklch */ color: oklch(72.1% 0.128 232.1);

Tailwind

colors: {
  custom: {
    50: '#88c9ee',
    500: '#3bb2e7',
    950: '#000000',
  },
}

SCSS

$custom: #3bb2e7;
$custom-light: #88c9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#3bb2e7",
  "rgb": {
    "r": 59,
    "g": 178,
    "b": 231
  },
  "hsl": {
    "h": 198.488,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.7209,
    "c": 0.12812,
    "h": 232.1
  },
  "luminance": 0.3854
}

Semantic roles & 50–950 ramp

primary

#3BB2E7

secondary

#E2B19C

accent

#6F33F5

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3BB2E7

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

Preview Lab → · Contrast checker → · Palette generator →