#3F9CBB#3F9CBB

#3F9CBB is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.0% C 0.098 H 223.5°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CBB
RGB	rgb(63, 156, 187)
HSL	hsl(195, 50%, 49%)
HSV	hsv(195, 66%, 73%)
CMYK	cmyk(66.3%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(60.27, -17.59, -24.12)
CIE-LCH	lch(60.27, 29.85, 233.90°)
OKLab	oklab(65.03% -0.0709 -0.0673)
OKLCH	oklch(65.03% 0.098 223.5)
XYZ	xyz(22.9044, 28.4191, 51.2824)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CBB #BB5E3F

analogous

#3FBB9C #3F9CBB #3F5EBB

triadic

#3F9CBB #BB3F9C #9CBB3F

tetradic

#3F9CBB #9C3FBB #BB5E3F #5EBB3F

square

#3F9CBB #9C3FBB #BB5E3F #5EBB3F

split-complementary

#3F9CBB #BB3F5E #BB9C3F

monochromatic

#20505F #30768D #3F9CBB #6AB4CD #98CBDC

Accessibility & contrast

On white

3.14

#3F9CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#3F9CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CBB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CBB	#FFFFFF	#000000	##000000
##3F9CBB	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BD

Deuteranopia (green-blind)

#798CBB

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f9cbb;
/* rgb */ color: rgb(63, 156, 187);
/* oklch */ color: oklch(65.0% 0.098 223.5);

Tailwind

colors: {
  custom: {
    50: '#82b9cf',
    500: '#3f9cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cbb;
$custom-light: #82b9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cbb",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 195,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.65028,
    "c": 0.09778,
    "h": 223.5
  },
  "luminance": 0.28422
}

Semantic roles & 50–950 ramp

primary

#3F9CBB

secondary

#C89C8E

accent

#714FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #3F9CBB

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

Preview Lab → · Contrast checker → · Palette generator →