#3F9BC6#3F9BC6

#3F9BC6 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.3% C 0.107 H 232.1°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F9BC6
RGB	rgb(63, 155, 198)
HSL	hsl(199, 54%, 51%)
HSV	hsv(199, 68%, 78%)
CMYK	cmyk(68.2%, 21.7%, 0%, 22.4%)
CIE-LAB	lab(60.40, -13.47, -30.08)
CIE-LCH	lch(60.40, 32.96, 245.88°)
OKLab	oklab(65.28% -0.0658 -0.0844)
OKLCH	oklch(65.28% 0.107 232.1)
XYZ	xyz(23.9603, 28.5741, 57.6677)
Luminance	0.2858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9BC6 #C66A3F

analogous

#3FC6AD #3F9BC6 #3F57C6

triadic

#3F9BC6 #C63F9B #9BC63F

tetradic

#3F9BC6 #AD3FC6 #C66A3F #57C63F

square

#3F9BC6 #AD3FC6 #C66A3F #57C63F

split-complementary

#3F9BC6 #C63F57 #C6AD3F

monochromatic

#20536B #2E789A #3F9BC6 #6EB4D4 #9DCCE2

Accessibility & contrast

On white

3.13

#3F9BC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#3F9BC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BC6

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9BC6	#FFFFFF	#000000	##000000
##3F9BC6	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8699C8

Deuteranopia (green-blind)

#738CC5

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9bc6;
/* rgb */ color: rgb(63, 155, 198);
/* oklch */ color: oklch(65.3% 0.107 232.1);

Tailwind

colors: {
  custom: {
    50: '#83b8d7',
    500: '#3f9bc6',
    950: '#000000',
  },
}

SCSS

$custom: #3f9bc6;
$custom-light: #83b8d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9bc6",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 198
  },
  "hsl": {
    "h": 199.111,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65283,
    "c": 0.10703,
    "h": 232.1
  },
  "luminance": 0.28577
}

Semantic roles & 50–950 ramp

primary

#3F9BC6

secondary

#CEA693

accent

#794ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9BC6

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

Preview Lab → · Contrast checker → · Palette generator →