#3F9CCA#3F9CCA

#3F9CCA is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.7% C 0.110 H 233.6°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#3F9CCA
RGBrgb(63, 156, 202)
HSLhsl(200, 57%, 52%)
HSVhsv(200, 69%, 79%)
CMYKcmyk(68.8%, 22.8%, 0%, 20.8%)
CIE-LABlab(60.87, -12.70, -31.61)
CIE-LCHlch(60.87, 34.07, 248.11°)
OKLaboklab(65.71% -0.0654 -0.0888)
OKLCHoklch(65.71% 0.11 233.6)
XYZxyz(24.5948, 29.0953, 60.1854)
Luminance0.2910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F9CCA #CA6D3F
analogous
#3FCAB3 #3F9CCA #3F57CA
triadic
#3F9CCA #CA3F9C #9CCA3F
tetradic
#3F9CCA #B33FCA #CA6D3F #57CA3F
square
#3F9CCA #B33FCA #CA6D3F #57CA3F
split-complementary
#3F9CCA #CA3F57 #CAB33F
monochromatic
#1F5570 #2C79A0 #3F9CCA #6FB5D7 #9FCDE4

Accessibility & contrast

On white

3.08
#3F9CCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.82
#3F9CCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CCA
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F9CCA#FFFFFF#000000##000000
##3F9CCA1.003.086.826.82
#FFFFFF3.081.0021.0021.00
#0000006.8221.001.001.00
##0000006.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#869BCC
Deuteranopia (green-blind)
#728DC9
Tritanopia (blue-blind)
#00A8AB
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #3f9cca;
/* rgb */ color: rgb(63, 156, 202);
/* oklch */ color: oklch(65.7% 0.110 233.6);
Tailwind
colors: {
  custom: {
    50: '#84b9da',
    500: '#3f9cca',
    950: '#000000',
  },
}
SCSS
$custom: #3f9cca;
$custom-light: #84b9da;
$custom-dark: #000000;
JSON
{
  "hex": "#3f9cca",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 202
  },
  "hsl": {
    "h": 199.856,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65705,
    "c": 0.11029,
    "h": 233.6
  },
  "luminance": 0.29098
}

Semantic roles & 50–950 ramp

primary
#3F9CCA
secondary
#D1A894
accent
#7A48E0
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3F9CCA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F9CCA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva