#3F9DBE#3F9DBE

#3F9DBE is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.4% C 0.100 H 224.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DBE
RGB	rgb(63, 157, 190)
HSL	hsl(196, 50%, 50%)
HSV	hsv(196, 67%, 75%)
CMYK	cmyk(66.8%, 17.4%, 0%, 25.5%)
CIE-LAB	lab(60.68, -17.16, -25.17)
CIE-LCH	lch(60.68, 30.46, 235.71°)
OKLab	oklab(65.4% -0.0708 -0.0703)
OKLCH	oklch(65.4% 0.1 224.8)
XYZ	xyz(23.3974, 28.8859, 53.0477)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DBE #BE603F

analogous

#3FBEA0 #3F9DBE #3F5DBE

triadic

#3F9DBE #BE3F9D #9DBE3F

tetradic

#3F9DBE #A03FBE #BE603F #5DBE3F

square

#3F9DBE #A03FBE #BE603F #5DBE3F

split-complementary

#3F9DBE #BE3F5D #BEA03F

monochromatic

#215162 #307790 #3F9DBE #6CB5CE #9ACCDD

Accessibility & contrast

On white

3.10

#3F9DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#3F9DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DBE

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DBE	#FFFFFF	#000000	##000000
##3F9DBE	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9AC0

Deuteranopia (green-blind)

#798DBE

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9dbe;
/* rgb */ color: rgb(63, 157, 190);
/* oklch */ color: oklch(65.4% 0.100 224.8);

Tailwind

colors: {
  custom: {
    50: '#83bad1',
    500: '#3f9dbe',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dbe;
$custom-light: #83bad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dbe",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 190
  },
  "hsl": {
    "h": 195.591,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.65398,
    "c": 0.09979,
    "h": 224.8
  },
  "luminance": 0.28888
}

Semantic roles & 50–950 ramp

primary

#3F9DBE

secondary

#C99E8F

accent

#724EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9DBE

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

Preview Lab → · Contrast checker → · Palette generator →