#3FB1DB#3FB1DB

#3FB1DB is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.4% C 0.117 H 226.7°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3FB1DB
RGB	rgb(63, 177, 219)
HSL	hsl(196, 68%, 55%)
HSV	hsv(196, 71%, 86%)
CMYK	cmyk(71.2%, 19.2%, 0%, 14.1%)
CIE-LAB	lab(67.73, -18.41, -30.40)
CIE-LCH	lch(67.73, 35.54, 238.80°)
OKLab	oklab(71.41% -0.0801 -0.0852)
OKLCH	oklch(71.41% 0.117 226.7)
XYZ	xyz(30.5530, 37.6120, 72.6537)
Luminance	0.3762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB1DB #DB693F

analogous

#3FDBB7 #3FB1DB #3F63DB

triadic

#3FB1DB #DB3FB1 #B1DB3F

tetradic

#3FB1DB #B73FDB #DB693F #63DB3F

square

#3FB1DB #B73FDB #DB693F #63DB3F

split-complementary

#3FB1DB #DB3F63 #DBB73F

monochromatic

#196986 #2391BA #3FB1DB #73C6E5 #A6DBEE

Accessibility & contrast

On white

2.46

#3FB1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#3FB1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB1DB

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB1DB	#FFFFFF	#000000	##000000
##3FB1DB	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAEDD

Deuteranopia (green-blind)

#859EDA

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #3fb1db;
/* rgb */ color: rgb(63, 177, 219);
/* oklch */ color: oklch(71.4% 0.117 226.7);

Tailwind

colors: {
  custom: {
    50: '#88c8e6',
    500: '#3fb1db',
    950: '#000000',
  },
}

SCSS

$custom: #3fb1db;
$custom-light: #88c8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb1db",
  "rgb": {
    "r": 63,
    "g": 177,
    "b": 219
  },
  "hsl": {
    "h": 196.154,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.71414,
    "c": 0.11696,
    "h": 226.7
  },
  "luminance": 0.37616
}

Semantic roles & 50–950 ramp

primary

#3FB1DB

secondary

#DCAC9A

accent

#6C3DEB

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #3FB1DB

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

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