#3F9BC3#3F9BC3

#3F9BC3 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.104 H 230.1°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F9BC3
RGB	rgb(63, 155, 195)
HSL	hsl(198, 52%, 51%)
HSV	hsv(198, 68%, 76%)
CMYK	cmyk(67.7%, 20.5%, 0%, 23.5%)
CIE-LAB	lab(60.28, -14.46, -28.59)
CIE-LCH	lch(60.28, 32.04, 243.18°)
OKLab	oklab(65.15% -0.0669 -0.0801)
OKLCH	oklch(65.15% 0.104 230.1)
XYZ	xyz(23.6177, 28.4370, 55.8634)
Luminance	0.2844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9BC3 #C3673F

analogous

#3FC3A9 #3F9BC3 #3F59C3

triadic

#3F9BC3 #C33F9B #9BC33F

tetradic

#3F9BC3 #A93FC3 #C3673F #59C33F

square

#3F9BC3 #A93FC3 #C3673F #59C33F

split-complementary

#3F9BC3 #C33F59 #C3A93F

monochromatic

#205267 #2F7796 #3F9BC3 #6EB3D2 #9CCCE0

Accessibility & contrast

On white

3.14

#3F9BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#3F9BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BC3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9BC3	#FFFFFF	#000000	##000000
##3F9BC3	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C5

Deuteranopia (green-blind)

#748CC2

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f9bc3;
/* rgb */ color: rgb(63, 155, 195);
/* oklch */ color: oklch(65.1% 0.104 230.1);

Tailwind

colors: {
  custom: {
    50: '#83b8d5',
    500: '#3f9bc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f9bc3;
$custom-light: #83b8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9bc3",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 195
  },
  "hsl": {
    "h": 198.182,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.65145,
    "c": 0.10437,
    "h": 230.1
  },
  "luminance": 0.2844
}

Semantic roles & 50–950 ramp

primary

#3F9BC3

secondary

#CCA392

accent

#784CDC

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9BC3

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

Preview Lab → · Contrast checker → · Palette generator →