#3F9BC1#3F9BC1

#3F9BC1 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.103 H 228.8°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F9BC1
RGB	rgb(63, 155, 193)
HSL	hsl(198, 51%, 50%)
HSV	hsv(198, 67%, 76%)
CMYK	cmyk(67.4%, 19.7%, 0%, 24.3%)
CIE-LAB	lab(60.20, -15.11, -27.59)
CIE-LCH	lch(60.20, 31.46, 241.29°)
OKLab	oklab(65.05% -0.0676 -0.0772)
OKLCH	oklch(65.05% 0.103 228.8)
XYZ	xyz(23.3930, 28.3472, 54.6804)
Luminance	0.2835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9BC1 #C1653F

analogous

#3FC1A6 #3F9BC1 #3F5AC1

triadic

#3F9BC1 #C13F9B #9BC13F

tetradic

#3F9BC1 #A63FC1 #C1653F #5AC13F

square

#3F9BC1 #A63FC1 #C1653F #5AC13F

split-complementary

#3F9BC1 #C13F5A #C1A63F

monochromatic

#215165 #307693 #3F9BC1 #6DB3D0 #9CCBDF

Accessibility & contrast

On white

3.15

#3F9BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3F9BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BC1

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9BC1	#FFFFFF	#000000	##000000
##3F9BC1	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C3

Deuteranopia (green-blind)

#758BC0

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f9bc1;
/* rgb */ color: rgb(63, 155, 193);
/* oklch */ color: oklch(65.1% 0.103 228.8);

Tailwind

colors: {
  custom: {
    50: '#83b8d3',
    500: '#3f9bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f9bc1;
$custom-light: #83b8d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9bc1",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 193
  },
  "hsl": {
    "h": 197.538,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65054,
    "c": 0.10266,
    "h": 228.8
  },
  "luminance": 0.2835
}

Semantic roles & 50–950 ramp

primary

#3F9BC1

secondary

#CBA291

accent

#774DDB

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9BC1

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

Preview Lab → · Contrast checker → · Palette generator →