#3F9CC3#3F9CC3

#3F9CC3 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.104 H 229.2°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CC3
RGB	rgb(63, 156, 195)
HSL	hsl(198, 52%, 51%)
HSV	hsv(198, 68%, 76%)
CMYK	cmyk(67.7%, 20%, 0%, 23.5%)
CIE-LAB	lab(60.58, -15.00, -28.13)
CIE-LCH	lch(60.58, 31.88, 241.93°)
OKLab	oklab(65.38% -0.0679 -0.0788)
OKLCH	oklch(65.38% 0.104 229.2)
XYZ	xyz(23.7848, 28.7712, 55.9191)
Luminance	0.2877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CC3 #C3663F

analogous

#3FC3A8 #3F9CC3 #3F5AC3

triadic

#3F9CC3 #C33F9C #9CC33F

tetradic

#3F9CC3 #A83FC3 #C3663F #5AC33F

square

#3F9CC3 #A83FC3 #C3663F #5AC33F

split-complementary

#3F9CC3 #C33F5A #C3A83F

monochromatic

#205267 #2F7796 #3F9CC3 #6EB4D2 #9CCCE0

Accessibility & contrast

On white

3.11

#3F9CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#3F9CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CC3

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CC3	#FFFFFF	#000000	##000000
##3F9CC3	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889AC5

Deuteranopia (green-blind)

#768CC2

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9cc3;
/* rgb */ color: rgb(63, 156, 195);
/* oklch */ color: oklch(65.4% 0.104 229.2);

Tailwind

colors: {
  custom: {
    50: '#83b9d5',
    500: '#3f9cc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cc3;
$custom-light: #83b9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cc3",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 195
  },
  "hsl": {
    "h": 197.727,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65382,
    "c": 0.10402,
    "h": 229.2
  },
  "luminance": 0.28774
}

Semantic roles & 50–950 ramp

primary

#3F9CC3

secondary

#CCA392

accent

#764CDC

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9CC3

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

Preview Lab → · Contrast checker → · Palette generator →