#3F97CA#3F97CA

#3F97CA is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.5% C 0.113 H 237.7°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX#3F97CA
RGBrgb(63, 151, 202)
HSLhsl(202, 57%, 52%)
HSVhsv(202, 69%, 79%)
CMYKcmyk(68.8%, 25.2%, 0%, 20.8%)
CIE-LABlab(59.39, -9.93, -33.90)
CIE-LCHlch(59.39, 35.33, 253.68°)
OKLaboklab(64.53% -0.0604 -0.0954)
OKLCHoklch(64.53% 0.113 237.7)
XYZxyz(23.7730, 27.4517, 59.9115)
Luminance0.2745 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F97CA #CA723F
analogous
#3FCAB7 #3F97CA #3F52CA
triadic
#3F97CA #CA3F97 #97CA3F
tetradic
#3F97CA #B73FCA #CA723F #52CA3F
square
#3F97CA #B73FCA #CA723F #52CA3F
split-complementary
#3F97CA #CA3F52 #CAB73F
monochromatic
#1F5270 #2C75A0 #3F97CA #6FB1D7 #9FCBE4

Accessibility & contrast

On white

3.24
#3F97CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.49
#3F97CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97CA
6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F97CA#FFFFFF#000000##000000
##3F97CA1.003.246.496.49
#FFFFFF3.241.0021.0021.00
#0000006.4921.001.001.00
##0000006.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F97CC
Deuteranopia (green-blind)
#6C89C9
Tritanopia (blue-blind)
#00A4A8
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #3f97ca;
/* rgb */ color: rgb(63, 151, 202);
/* oklch */ color: oklch(64.5% 0.113 237.7);
Tailwind
colors: {
  custom: {
    50: '#84b5da',
    500: '#3f97ca',
    950: '#000000',
  },
}
SCSS
$custom: #3f97ca;
$custom-light: #84b5da;
$custom-dark: #000000;
JSON
{
  "hex": "#3f97ca",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 202
  },
  "hsl": {
    "h": 202.014,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.64532,
    "c": 0.11295,
    "h": 237.7
  },
  "luminance": 0.27454
}

Semantic roles & 50–950 ramp

primary
#3F97CA
secondary
#D1AA94
accent
#8048E0
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3F97CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F97CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva