#3FB9D9#3FB9D9

#3FB9D9 is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.2% C 0.114 H 219.1°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9D9
RGB	rgb(63, 185, 217)
HSL	hsl(192, 67%, 55%)
HSV	hsv(192, 71%, 85%)
CMYK	cmyk(71%, 14.7%, 0%, 14.9%)
CIE-LAB	lab(70.01, -23.19, -25.81)
CIE-LCH	lch(70.01, 34.69, 228.06°)
OKLab	oklab(73.21% -0.0887 -0.072)
OKLCH	oklch(73.21% 0.114 219.1)
XYZ	xyz(31.9180, 40.7607, 71.8176)
Luminance	0.4076 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9D9 #D95F3F

analogous

#3FD9AC #3FB9D9 #3F6CD9

triadic

#3FB9D9 #D93FB9 #B9D93F

tetradic

#3FB9D9 #AC3FD9 #D95F3F #6CD93F

square

#3FB9D9 #AC3FD9 #D95F3F #6CD93F

split-complementary

#3FB9D9 #D93F6C #D9AC3F

monochromatic

#1A6E84 #2498B7 #3FB9D9 #72CCE3 #A5DEED

Accessibility & contrast

On white

2.29

#3FB9D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#3FB9D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9D9

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9D9	#FFFFFF	#000000	##000000
##3FB9D9	1.00	2.29	9.15	9.15
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B4DB

Deuteranopia (green-blind)

#90A4D9

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #3fb9d9;
/* rgb */ color: rgb(63, 185, 217);
/* oklch */ color: oklch(73.2% 0.114 219.1);

Tailwind

colors: {
  custom: {
    50: '#88cee4',
    500: '#3fb9d9',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9d9;
$custom-light: #88cee4;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9d9",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 217
  },
  "hsl": {
    "h": 192.468,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.73211,
    "c": 0.11428,
    "h": 219.1
  },
  "luminance": 0.40764
}

Semantic roles & 50–950 ramp

primary

#3FB9D9

secondary

#DAA79A

accent

#623EEA

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB9D9

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

Preview Lab → · Contrast checker → · Palette generator →