#3FB9CB#3FB9CB

#3FB9CB is a light, moderate teal. Relative luminance 0.401; OKLCH L 72.7% C 0.108 H 209.1°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3FB9CB
RGB	rgb(63, 185, 203)
HSL	hsl(188, 57%, 52%)
HSV	hsv(188, 69%, 80%)
CMYK	cmyk(69%, 8.9%, 0%, 20.4%)
CIE-LAB	lab(69.51, -27.51, -18.89)
CIE-LCH	lch(69.51, 33.37, 214.48°)
OKLab	oklab(72.65% -0.0943 -0.0525)
OKLCH	oklch(72.65% 0.108 209.1)
XYZ	xyz(30.1737, 40.0630, 62.6310)
Luminance	0.4007 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB9CB #CB513F

analogous

#3FCB97 #3FB9CB #3F73CB

triadic

#3FB9CB #CB3FB9 #B9CB3F

tetradic

#3FB9CB #973FCB #CB513F #73CB3F

square

#3FB9CB #973FCB #CB513F #73CB3F

split-complementary

#3FB9CB #CB3F73 #CB973F

monochromatic

#1F6671 #2C92A1 #3FB9CB #6FCBD8 #9FDCE5

Accessibility & contrast

On white

2.33

#3FB9CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#3FB9CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB9CB

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB9CB	#FFFFFF	#000000	##000000
##3FB9CB	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B2CC

Deuteranopia (green-blind)

#95A3CB

Tritanopia (blue-blind)

#00C1BE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3fb9cb;
/* rgb */ color: rgb(63, 185, 203);
/* oklch */ color: oklch(72.7% 0.108 209.1);

Tailwind

colors: {
  custom: {
    50: '#86ceda',
    500: '#3fb9cb',
    950: '#000000',
  },
}

SCSS

$custom: #3fb9cb;
$custom-light: #86ceda;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb9cb",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 203
  },
  "hsl": {
    "h": 187.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72651,
    "c": 0.10789,
    "h": 209.1
  },
  "luminance": 0.40066
}

Semantic roles & 50–950 ramp

primary

#3FB9CB

secondary

#D19C94

accent

#5B47E1

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #3FB9CB

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

Preview Lab → · Contrast checker → · Palette generator →