#3FB0E4#3FB0E4

#3FB0E4 is a light, vivid cyan. Relative luminance 0.377; OKLCH L 71.6% C 0.125 H 232.5°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3FB0E4
RGB	rgb(63, 176, 228)
HSL	hsl(199, 75%, 57%)
HSV	hsv(199, 72%, 89%)
CMYK	cmyk(72.4%, 22.8%, 0%, 10.6%)
CIE-LAB	lab(67.80, -14.94, -35.23)
CIE-LCH	lch(67.80, 38.26, 247.02°)
OKLab	oklab(71.59% -0.076 -0.0991)
OKLCH	oklch(71.59% 0.125 232.5)
XYZ	xyz(31.5732, 37.7052, 78.9976)
Luminance	0.3771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB0E4 #E4733F

analogous

#3FE4C5 #3FB0E4 #3F5EE4

triadic

#3FB0E4 #E43FB0 #B0E43F

tetradic

#3FB0E4 #C53FE4 #E4733F #5EE43F

square

#3FB0E4 #C53FE4 #E4733F #5EE43F

split-complementary

#3FB0E4 #E43F5E #E4C53F

monochromatic

#156C94 #1C93C9 #3FB0E4 #75C6EC #AADCF3

Accessibility & contrast

On white

2.46

#3FB0E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#3FB0E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB0E4

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB0E4	#FFFFFF	#000000	##000000
##3FB0E4	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96AEE6

Deuteranopia (green-blind)

#809EE3

Tritanopia (blue-blind)

#00BEC1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #3fb0e4;
/* rgb */ color: rgb(63, 176, 228);
/* oklch */ color: oklch(71.6% 0.125 232.5);

Tailwind

colors: {
  custom: {
    50: '#89c7ec',
    500: '#3fb0e4',
    950: '#000000',
  },
}

SCSS

$custom: #3fb0e4;
$custom-light: #89c7ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb0e4",
  "rgb": {
    "r": 63,
    "g": 176,
    "b": 228
  },
  "hsl": {
    "h": 198.909,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.71588,
    "c": 0.12486,
    "h": 232.5
  },
  "luminance": 0.37709
}

Semantic roles & 50–950 ramp

primary

#3FB0E4

secondary

#E1B39E

accent

#7136F2

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB0E4

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

Preview Lab → · Contrast checker → · Palette generator →