#3F9CCF#3F9CCF

#3F9CCF is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.9% C 0.115 H 236.4°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CCF
RGB	rgb(63, 156, 207)
HSL	hsl(201, 60%, 53%)
HSV	hsv(201, 70%, 81%)
CMYK	cmyk(69.6%, 24.6%, 0%, 18.8%)
CIE-LAB	lab(61.08, -11.03, -34.08)
CIE-LCH	lch(61.08, 35.82, 252.06°)
OKLab	oklab(65.94% -0.0637 -0.0959)
OKLCH	oklch(65.94% 0.115 236.4)
XYZ	xyz(25.1964, 29.3359, 63.3539)
Luminance	0.2934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CCF #CF723F

analogous

#3FCFBA #3F9CCF #3F54CF

triadic

#3F9CCF #CF3F9C #9CCF3F

tetradic

#3F9CCF #BA3FCF #CF723F #54CF3F

square

#3F9CCF #BA3FCF #CF723F #54CF3F

split-complementary

#3F9CCF #CF3F54 #CFBA3F

monochromatic

#1E5776 #2A7BA7 #3F9CCF #70B5DB #A1CEE7

Accessibility & contrast

On white

3.06

#3F9CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.87

#3F9CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CCF

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CCF	#FFFFFF	#000000	##000000
##3F9CCF	1.00	3.06	6.87	6.87
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.87	21.00	1.00	1.00
##000000	6.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849BD1

Deuteranopia (green-blind)

#708DCE

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9ccf;
/* rgb */ color: rgb(63, 156, 207);
/* oklch */ color: oklch(65.9% 0.115 236.4);

Tailwind

colors: {
  custom: {
    50: '#85b9de',
    500: '#3f9ccf',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ccf;
$custom-light: #85b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ccf",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 207
  },
  "hsl": {
    "h": 201.25,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65943,
    "c": 0.11513,
    "h": 236.4
  },
  "luminance": 0.29339
}

Semantic roles & 50–950 ramp

primary

#3F9CCF

secondary

#D4AC96

accent

#7D45E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9CCF

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

Preview Lab → · Contrast checker → · Palette generator →