#3FB7F0#3FB7F0

#3FB7F0 is a light, vivid cyan. Relative luminance 0.412; OKLCH L 73.8% C 0.132 H 233.6°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#3FB7F0
RGB	rgb(63, 183, 240)
HSL	hsl(199, 86%, 59%)
HSV	hsv(199, 74%, 94%)
CMYK	cmyk(73.8%, 23.8%, 0%, 5.9%)
CIE-LAB	lab(70.32, -14.71, -37.85)
CIE-LCH	lch(70.32, 40.61, 248.76°)
OKLab	oklab(73.76% -0.0785 -0.1066)
OKLCH	oklch(73.76% 0.132 233.6)
XYZ	xyz(34.7053, 41.2109, 88.5466)
Luminance	0.4122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB7F0 #F0783F

analogous

#3FF0D1 #3FB7F0 #3F5FF0

triadic

#3FB7F0 #F03FB7 #B7F03F

tetradic

#3FB7F0 #D13FF0 #F0783F #5FF03F

square

#3FB7F0 #D13FF0 #F0783F #5FF03F

split-complementary

#3FB7F0 #F03F5F #F0D13F

monochromatic

#0D76A8 #129EE0 #3FB7F0 #78CCF4 #B1E2F9

Accessibility & contrast

On white

2.27

#3FB7F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#3FB7F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB7F0

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB7F0	#FFFFFF	#000000	##000000
##3FB7F0	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB5F3

Deuteranopia (green-blind)

#83A4EF

Tritanopia (blue-blind)

#00C6CA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #3fb7f0;
/* rgb */ color: rgb(63, 183, 240);
/* oklch */ color: oklch(73.8% 0.132 233.6);

Tailwind

colors: {
  custom: {
    50: '#8bccf5',
    500: '#3fb7f0',
    950: '#000000',
  },
}

SCSS

$custom: #3fb7f0;
$custom-light: #8bccf5;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb7f0",
  "rgb": {
    "r": 63,
    "g": 183,
    "b": 240
  },
  "hsl": {
    "h": 199.322,
    "s": 85.507,
    "l": 59.412
  },
  "oklch": {
    "l": 0.73761,
    "c": 0.13237,
    "h": 233.6
  },
  "luminance": 0.41215
}

Semantic roles & 50–950 ramp

primary

#3FB7F0

secondary

#E8B9A3

accent

#6F2CFC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #3FB7F0

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

Preview Lab → · Contrast checker → · Palette generator →