#3FB8D9#3FB8D9

#3FB8D9 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.0% C 0.114 H 219.9°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3FB8D9
RGB	rgb(63, 184, 217)
HSL	hsl(193, 67%, 55%)
HSV	hsv(193, 71%, 85%)
CMYK	cmyk(71%, 15.2%, 0%, 14.9%)
CIE-LAB	lab(69.71, -22.68, -26.26)
CIE-LCH	lch(69.71, 34.69, 229.19°)
OKLab	oklab(72.97% -0.0877 -0.0733)
OKLCH	oklch(72.97% 0.114 219.9)
XYZ	xyz(31.7096, 40.3438, 71.7481)
Luminance	0.4035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB8D9 #D9603F

analogous

#3FD9AD #3FB8D9 #3F6BD9

triadic

#3FB8D9 #D93FB8 #B8D93F

tetradic

#3FB8D9 #AD3FD9 #D9603F #6BD93F

square

#3FB8D9 #AD3FD9 #D9603F #6BD93F

split-complementary

#3FB8D9 #D93F6B #D9AD3F

monochromatic

#1A6D84 #2497B7 #3FB8D9 #72CBE3 #A5DEED

Accessibility & contrast

On white

2.32

#3FB8D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#3FB8D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB8D9

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB8D9	#FFFFFF	#000000	##000000
##3FB8D9	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B3DB

Deuteranopia (green-blind)

#8FA4D9

Tritanopia (blue-blind)

#00C3C2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3fb8d9;
/* rgb */ color: rgb(63, 184, 217);
/* oklch */ color: oklch(73.0% 0.114 219.9);

Tailwind

colors: {
  custom: {
    50: '#88cde4',
    500: '#3fb8d9',
    950: '#000000',
  },
}

SCSS

$custom: #3fb8d9;
$custom-light: #88cde4;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb8d9",
  "rgb": {
    "r": 63,
    "g": 184,
    "b": 217
  },
  "hsl": {
    "h": 192.857,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.72975,
    "c": 0.11434,
    "h": 219.9
  },
  "luminance": 0.40347
}

Semantic roles & 50–950 ramp

primary

#3FB8D9

secondary

#DAA79A

accent

#633EEA

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3FB8D9

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

Preview Lab → · Contrast checker → · Palette generator →