#3FB9E2#3FB9E2

#3FB9E2 is a light, vivid cyan. Relative luminance 0.412; OKLCH L 73.6% C 0.120 H 224.7°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9E2
RGB	rgb(63, 185, 226)
HSL	hsl(195, 74%, 57%)
HSV	hsv(195, 72%, 89%)
CMYK	cmyk(72.1%, 18.1%, 0%, 11.4%)
CIE-LAB	lab(70.34, -20.33, -30.20)
CIE-LCH	lch(70.34, 36.40, 236.06°)
OKLab	oklab(73.59% -0.0853 -0.0846)
OKLCH	oklch(73.59% 0.12 224.7)
XYZ	xyz(33.1207, 41.2418, 78.1517)
Luminance	0.4125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9E2 #E2683F

analogous

#3FE2BA #3FB9E2 #3F68E2

triadic

#3FB9E2 #E23FB9 #B9E23F

tetradic

#3FB9E2 #BA3FE2 #E2683F #68E23F

square

#3FB9E2 #BA3FE2 #E2683F #68E23F

split-complementary

#3FB9E2 #E23F68 #E2BA3F

monochromatic

#167291 #1E9CC6 #3FB9E2 #74CCEA #A9E0F2

Accessibility & contrast

On white

2.27

#3FB9E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#3FB9E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9E2

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9E2	#FFFFFF	#000000	##000000
##3FB9E2	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B5E4

Deuteranopia (green-blind)

#8CA5E2

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #3fb9e2;
/* rgb */ color: rgb(63, 185, 226);
/* oklch */ color: oklch(73.6% 0.120 224.7);

Tailwind

colors: {
  custom: {
    50: '#89ceeb',
    500: '#3fb9e2',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9e2;
$custom-light: #89ceeb;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9e2",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 226
  },
  "hsl": {
    "h": 195.092,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.73593,
    "c": 0.12014,
    "h": 224.7
  },
  "luminance": 0.41246
}

Semantic roles & 50–950 ramp

primary

#3FB9E2

secondary

#E0AE9D

accent

#6637F0

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB9E2

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

Preview Lab → · Contrast checker → · Palette generator →