#3F9CC0#3F9CC0

#3F9CC0 is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.2% C 0.102 H 227.2°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CC0
RGB	rgb(63, 156, 192)
HSL	hsl(197, 51%, 50%)
HSV	hsv(197, 67%, 75%)
CMYK	cmyk(67.2%, 18.7%, 0%, 24.7%)
CIE-LAB	lab(60.46, -15.98, -26.63)
CIE-LCH	lch(60.46, 31.05, 239.04°)
OKLab	oklab(65.25% -0.069 -0.0745)
OKLCH	oklch(65.25% 0.102 227.2)
XYZ	xyz(23.4490, 28.6369, 54.1506)
Luminance	0.2864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CC0 #C0633F

analogous

#3FC0A3 #3F9CC0 #3F5CC0

triadic

#3F9CC0 #C03F9C #9CC03F

tetradic

#3F9CC0 #A33FC0 #C0633F #5CC03F

square

#3F9CC0 #A33FC0 #C0633F #5CC03F

split-complementary

#3F9CC0 #C03F5C #C0A33F

monochromatic

#215164 #307792 #3F9CC0 #6DB4CF #9BCCDE

Accessibility & contrast

On white

3.12

#3F9CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#3F9CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CC0

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CC0	#FFFFFF	#000000	##000000
##3F9CC0	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8999C2

Deuteranopia (green-blind)

#778CC0

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9cc0;
/* rgb */ color: rgb(63, 156, 192);
/* oklch */ color: oklch(65.2% 0.102 227.2);

Tailwind

colors: {
  custom: {
    50: '#83b9d3',
    500: '#3f9cc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cc0;
$custom-light: #83b9d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cc0",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 192
  },
  "hsl": {
    "h": 196.744,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.65248,
    "c": 0.10156,
    "h": 227.2
  },
  "luminance": 0.28639
}

Semantic roles & 50–950 ramp

primary

#3F9CC0

secondary

#CAA191

accent

#754EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9CC0

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

Preview Lab → · Contrast checker → · Palette generator →