#3F9EC6#3F9EC6

#3F9EC6 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.0% C 0.106 H 229.4°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EC6
RGB	rgb(63, 158, 198)
HSL	hsl(198, 54%, 51%)
HSV	hsv(198, 68%, 78%)
CMYK	cmyk(68.2%, 20.2%, 0%, 22.4%)
CIE-LAB	lab(61.29, -15.11, -28.71)
CIE-LCH	lch(61.29, 32.44, 242.25°)
OKLab	oklab(65.99% -0.0689 -0.0804)
OKLCH	oklch(65.99% 0.106 229.4)
XYZ	xyz(24.4657, 29.5850, 57.8362)
Luminance	0.2959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EC6 #C6673F

analogous

#3FC6AA #3F9EC6 #3F5AC6

triadic

#3F9EC6 #C63F9E #9EC63F

tetradic

#3F9EC6 #AA3FC6 #C6673F #5AC63F

square

#3F9EC6 #AA3FC6 #C6673F #5AC63F

split-complementary

#3F9EC6 #C63F5A #C6AA3F

monochromatic

#20556B #2E7A9A #3F9EC6 #6EB6D4 #9DCEE2

Accessibility & contrast

On white

3.04

#3F9EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#3F9EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EC6

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EC6	#FFFFFF	#000000	##000000
##3F9EC6	1.00	3.04	6.92	6.92
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899CC8

Deuteranopia (green-blind)

#778EC5

Tritanopia (blue-blind)

#00A9AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9ec6;
/* rgb */ color: rgb(63, 158, 198);
/* oklch */ color: oklch(66.0% 0.106 229.4);

Tailwind

colors: {
  custom: {
    50: '#84bad7',
    500: '#3f9ec6',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ec6;
$custom-light: #84bad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ec6",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 198
  },
  "hsl": {
    "h": 197.778,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.65993,
    "c": 0.10589,
    "h": 229.4
  },
  "luminance": 0.29588
}

Semantic roles & 50–950 ramp

primary

#3F9EC6

secondary

#CEA493

accent

#764ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9EC6

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

Preview Lab → · Contrast checker → · Palette generator →