#3FB3D9#3FB3D9

#3FB3D9 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 71.8% C 0.115 H 223.9°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3FB3D9
RGB	rgb(63, 179, 217)
HSL	hsl(195, 67%, 55%)
HSV	hsv(195, 71%, 85%)
CMYK	cmyk(71%, 17.5%, 0%, 14.9%)
CIE-LAB	lab(68.24, -20.10, -28.52)
CIE-LCH	lch(68.24, 34.89, 234.82°)
OKLab	oklab(71.8% -0.0828 -0.0798)
OKLCH	oklch(71.8% 0.115 223.9)
XYZ	xyz(30.6892, 38.3032, 71.4080)
Luminance	0.3831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB3D9 #D9653F

analogous

#3FD9B2 #3FB3D9 #3F66D9

triadic

#3FB3D9 #D93FB3 #B3D93F

tetradic

#3FB3D9 #B23FD9 #D9653F #66D93F

square

#3FB3D9 #B23FD9 #D9653F #66D93F

split-complementary

#3FB3D9 #D93F66 #D9B23F

monochromatic

#1A6A84 #2493B7 #3FB3D9 #72C7E3 #A5DBED

Accessibility & contrast

On white

2.42

#3FB3D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#3FB3D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB3D9

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB3D9	#FFFFFF	#000000	##000000
##3FB3D9	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAFDB

Deuteranopia (green-blind)

#88A0D9

Tritanopia (blue-blind)

#00BFBF

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #3fb3d9;
/* rgb */ color: rgb(63, 179, 217);
/* oklch */ color: oklch(71.8% 0.115 223.9);

Tailwind

colors: {
  custom: {
    50: '#88c9e4',
    500: '#3fb3d9',
    950: '#000000',
  },
}

SCSS

$custom: #3fb3d9;
$custom-light: #88c9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb3d9",
  "rgb": {
    "r": 63,
    "g": 179,
    "b": 217
  },
  "hsl": {
    "h": 194.805,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.71796,
    "c": 0.11501,
    "h": 223.9
  },
  "luminance": 0.38307
}

Semantic roles & 50–950 ramp

primary

#3FB3D9

secondary

#DAA99A

accent

#683EEA

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB3D9

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

Preview Lab → · Contrast checker → · Palette generator →