#3F97E0#3F97E0

#3F97E0 is a light, vivid cyan. Relative luminance 0.286; OKLCH L 65.7% C 0.137 H 247.0°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#3F97E0
RGBrgb(63, 151, 224)
HSLhsl(207, 72%, 56%)
HSVhsv(207, 72%, 88%)
CMYKcmyk(71.9%, 32.6%, 0%, 12.2%)
CIE-LABlab(60.40, -2.39, -44.61)
CIE-LCHlch(60.40, 44.67, 266.93°)
OKLaboklab(65.66% -0.0536 -0.1265)
OKLCHoklch(65.66% 0.137 247)
XYZxyz(26.5659, 28.5688, 74.6208)
Luminance0.2857 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F97E0 #E0883F
analogous
#3FE0D9 #3F97E0 #3F47E0
triadic
#3F97E0 #E03F97 #97E03F
tetradic
#3F97E0 #D93FE0 #E0883F #47E03F
square
#3F97E0 #D93FE0 #E0883F #47E03F
split-complementary
#3F97E0 #E03F47 #E0D93F
monochromatic
#17588E #1F78C2 #3F97E0 #74B4E9 #A8D0F1

Accessibility & contrast

On white

3.13
#3F97E0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.71
#3F97E0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97E0
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F97E0#FFFFFF#000000##000000
##3F97E01.003.136.716.71
#FFFFFF3.131.0021.0021.00
#0000006.7121.001.001.00
##0000006.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#769AE3
Deuteranopia (green-blind)
#5F8BDF
Tritanopia (blue-blind)
#00A9B1
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #3f97e0;
/* rgb */ color: rgb(63, 151, 224);
/* oklch */ color: oklch(65.7% 0.137 247.0);
Tailwind
colors: {
  custom: {
    50: '#87b5ea',
    500: '#3f97e0',
    950: '#000000',
  },
}
SCSS
$custom: #3f97e0;
$custom-light: #87b5ea;
$custom-dark: #000000;
JSON
{
  "hex": "#3f97e0",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 224
  },
  "hsl": {
    "h": 207.205,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.65662,
    "c": 0.13743,
    "h": 247
  },
  "luminance": 0.28572
}

Semantic roles & 50–950 ramp

primary
#3F97E0
secondary
#DFBA9C
accent
#8B39EF
background
#F9FBFE
surface
#F1F6FD
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #3F97E0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F97E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva