#3FA9BF#3FA9BF

#3FA9BF is a light, moderate cyan. Relative luminance 0.332; OKLCH L 68.3% C 0.100 H 214.1°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3FA9BF
RGB	rgb(63, 169, 191)
HSL	hsl(190, 50%, 50%)
HSV	hsv(190, 67%, 75%)
CMYK	cmyk(67%, 11.5%, 0%, 25.1%)
CIE-LAB	lab(64.32, -23.13, -20.16)
CIE-LCH	lch(64.32, 30.68, 221.08°)
OKLab	oklab(68.33% -0.0829 -0.0561)
OKLCH	oklch(68.33% 0.1 214.1)
XYZ	xyz(25.6379, 33.1914, 54.3355)
Luminance	0.3319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA9BF #BF553F

analogous

#3FBF95 #3FA9BF #3F69BF

triadic

#3FA9BF #BF3FA9 #A9BF3F

tetradic

#3FA9BF #953FBF #BF553F #69BF3F

square

#3FA9BF #953FBF #BF553F #69BF3F

split-complementary

#3FA9BF #BF3F69 #BF953F

monochromatic

#215863 #308091 #3FA9BF #6DBECF #9BD2DE

Accessibility & contrast

On white

2.75

#3FA9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#3FA9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA9BF

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA9BF	#FFFFFF	#000000	##000000
##3FA9BF	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A4C0

Deuteranopia (green-blind)

#8796BF

Tritanopia (blue-blind)

#00B1B0

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #3fa9bf;
/* rgb */ color: rgb(63, 169, 191);
/* oklch */ color: oklch(68.3% 0.100 214.1);

Tailwind

colors: {
  custom: {
    50: '#84c2d2',
    500: '#3fa9bf',
    950: '#000000',
  },
}

SCSS

$custom: #3fa9bf;
$custom-light: #84c2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa9bf",
  "rgb": {
    "r": 63,
    "g": 169,
    "b": 191
  },
  "hsl": {
    "h": 190.313,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.68326,
    "c": 0.10005,
    "h": 214.1
  },
  "luminance": 0.33194
}

Semantic roles & 50–950 ramp

primary

#3FA9BF

secondary

#CA9A90

accent

#664EDA

background

#F8FBFC

surface

#F0F7F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3FA9BF

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

Preview Lab → · Contrast checker → · Palette generator →