#3F91D2#3F91D2

#3F91D2 is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.5% C 0.126 H 245.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#3F91D2
RGBrgb(63, 145, 210)
HSLhsl(207, 62%, 54%)
HSVhsv(207, 70%, 82%)
CMYKcmyk(70%, 31%, 0%, 17.6%)
CIE-LABlab(58.00, -3.79, -40.58)
CIE-LCHlch(58.00, 40.75, 264.67°)
OKLaboklab(63.55% -0.0519 -0.1148)
OKLCHoklch(63.55% 0.126 245.7)
XYZxyz(23.8037, 25.9581, 64.7162)
Luminance0.2596 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F91D2 #D2803F
analogous
#3FD2CA #3F91D2 #3F47D2
triadic
#3F91D2 #D23F91 #91D23F
tetradic
#3F91D2 #CA3FD2 #D2803F #47D23F
square
#3F91D2 #CA3FD2 #D2803F #47D23F
split-complementary
#3F91D2 #D23F47 #D2CA3F
monochromatic
#1D517A #2871AC #3F91D2 #71ADDE #A2CAE9

Accessibility & contrast

On white

3.39
#3F91D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#3F91D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F91D2
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F91D2#FFFFFF#000000##000000
##3F91D21.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7493D5
Deuteranopia (green-blind)
#5F85D1
Tritanopia (blue-blind)
#00A1A8
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3f91d2;
/* rgb */ color: rgb(63, 145, 210);
/* oklch */ color: oklch(63.5% 0.126 245.7);
Tailwind
colors: {
  custom: {
    50: '#85b1e0',
    500: '#3f91d2',
    950: '#000000',
  },
}
SCSS
$custom: #3f91d2;
$custom-light: #85b1e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f91d2",
  "rgb": {
    "r": 63,
    "g": 145,
    "b": 210
  },
  "hsl": {
    "h": 206.531,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63549,
    "c": 0.12605,
    "h": 245.7
  },
  "luminance": 0.25961
}

Semantic roles & 50–950 ramp

primary
#3F91D2
secondary
#D6B397
accent
#8B43E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F91D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3F91D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva