#3FB9D7#3FB9D7

#3FB9D7 is a light, moderate cyan. Relative luminance 0.407; OKLCH L 73.1% C 0.113 H 217.7°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9D7
RGB	rgb(63, 185, 215)
HSL	hsl(192, 66%, 55%)
HSV	hsv(192, 71%, 84%)
CMYK	cmyk(70.7%, 14%, 0%, 15.7%)
CIE-LAB	lab(69.94, -23.81, -24.82)
CIE-LCH	lch(69.94, 34.40, 226.19°)
OKLab	oklab(73.13% -0.0895 -0.0693)
OKLCH	oklch(73.13% 0.113 217.7)
XYZ	xyz(31.6595, 40.6573, 70.4559)
Luminance	0.4066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9D7 #D75D3F

analogous

#3FD7A9 #3FB9D7 #3F6DD7

triadic

#3FB9D7 #D73FB9 #B9D73F

tetradic

#3FB9D7 #A93FD7 #D75D3F #6DD73F

square

#3FB9D7 #A93FD7 #D75D3F #6DD73F

split-complementary

#3FB9D7 #D73F6D #D7A93F

monochromatic

#1B6D81 #2597B3 #3FB9D7 #72CBE2 #A4DEEC

Accessibility & contrast

On white

2.30

#3FB9D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#3FB9D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9D7

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9D7	#FFFFFF	#000000	##000000
##3FB9D7	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B4D9

Deuteranopia (green-blind)

#90A4D7

Tritanopia (blue-blind)

#00C3C2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #3fb9d7;
/* rgb */ color: rgb(63, 185, 215);
/* oklch */ color: oklch(73.1% 0.113 217.7);

Tailwind

colors: {
  custom: {
    50: '#88cee3',
    500: '#3fb9d7',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9d7;
$custom-light: #88cee3;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9d7",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 215
  },
  "hsl": {
    "h": 191.842,
    "s": 65.517,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73129,
    "c": 0.11315,
    "h": 217.7
  },
  "luminance": 0.40661
}

Semantic roles & 50–950 ramp

primary

#3FB9D7

secondary

#D9A599

accent

#613FE8

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB9D7

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

Preview Lab → · Contrast checker → · Palette generator →