#3F9EB2#3F9EB2

#3F9EB2 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.1% C 0.092 H 214.1°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EB2
RGB	rgb(63, 158, 178)
HSL	hsl(190, 48%, 47%)
HSV	hsv(190, 65%, 70%)
CMYK	cmyk(64.6%, 11.2%, 0%, 30.2%)
CIE-LAB	lab(60.54, -21.47, -18.63)
CIE-LCH	lch(60.54, 28.43, 220.95°)
OKLab	oklab(65.14% -0.0766 -0.0518)
OKLCH	oklch(65.14% 0.092 214.1)
XYZ	xyz(22.3093, 28.7224, 46.4791)
Luminance	0.2873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EB2 #B2533F

analogous

#3FB28D #3F9EB2 #3F64B2

triadic

#3F9EB2 #B23F9E #9EB23F

tetradic

#3F9EB2 #8D3FB2 #B2533F #64B23F

square

#3F9EB2 #8D3FB2 #B2533F #64B23F

split-complementary

#3F9EB2 #B23F64 #B28D3F

monochromatic

#1F4E58 #2F7685 #3F9EB2 #66B7C9 #93CDD9

Accessibility & contrast

On white

3.11

#3F9EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#3F9EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EB2

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EB2	#FFFFFF	#000000	##000000
##3F9EB2	1.00	3.11	6.74	6.74
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B3

Deuteranopia (green-blind)

#7F8DB2

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9eb2;
/* rgb */ color: rgb(63, 158, 178);
/* oklch */ color: oklch(65.1% 0.092 214.1);

Tailwind

colors: {
  custom: {
    50: '#81bbc9',
    500: '#3f9eb2',
    950: '#000000',
  },
}

SCSS

$custom: #3f9eb2;
$custom-light: #81bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9eb2",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 178
  },
  "hsl": {
    "h": 190.435,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.65135,
    "c": 0.09245,
    "h": 214.1
  },
  "luminance": 0.28725
}

Semantic roles & 50–950 ramp

primary

#3F9EB2

secondary

#C49389

accent

#6850D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3F9EB2

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

Preview Lab → · Contrast checker → · Palette generator →