#3FBDD9#3FBDD9

#3FBDD9 is a light, moderate cyan. Relative luminance 0.425; OKLCH L 74.2% C 0.114 H 215.8°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#3FBDD9
RGB	rgb(63, 189, 217)
HSL	hsl(191, 67%, 55%)
HSV	hsv(191, 71%, 85%)
CMYK	cmyk(71%, 12.9%, 0%, 14.9%)
CIE-LAB	lab(71.19, -25.21, -24.00)
CIE-LCH	lch(71.19, 34.81, 223.60°)
OKLab	oklab(74.16% -0.0926 -0.0669)
OKLCH	oklch(74.16% 0.114 215.8)
XYZ	xyz(32.7666, 42.4579, 72.1005)
Luminance	0.4246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBDD9 #D95B3F

analogous

#3FD9A8 #3FBDD9 #3F70D9

triadic

#3FBDD9 #D93FBD #BDD93F

tetradic

#3FBDD9 #A83FD9 #D95B3F #70D93F

square

#3FBDD9 #A83FD9 #D95B3F #70D93F

split-complementary

#3FBDD9 #D93F70 #D9A83F

monochromatic

#1A7084 #249CB7 #3FBDD9 #72CFE3 #A5E0ED

Accessibility & contrast

On white

2.21

#3FBDD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#3FBDD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBDD9

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBDD9	#FFFFFF	#000000	##000000
##3FBDD9	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB7DB

Deuteranopia (green-blind)

#94A8D9

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #3fbdd9;
/* rgb */ color: rgb(63, 189, 217);
/* oklch */ color: oklch(74.2% 0.114 215.8);

Tailwind

colors: {
  custom: {
    50: '#88d1e4',
    500: '#3fbdd9',
    950: '#000000',
  },
}

SCSS

$custom: #3fbdd9;
$custom-light: #88d1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbdd9",
  "rgb": {
    "r": 63,
    "g": 189,
    "b": 217
  },
  "hsl": {
    "h": 190.909,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.74158,
    "c": 0.11427,
    "h": 215.8
  },
  "luminance": 0.42462
}

Semantic roles & 50–950 ramp

primary

#3FBDD9

secondary

#DAA59A

accent

#5D3EEA

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #3FBDD9

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

Preview Lab → · Contrast checker → · Palette generator →