#3F90D2#3F90D2

#3F90D2 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.127 H 246.3°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#3F90D2
RGBrgb(63, 144, 210)
HSLhsl(207, 62%, 54%)
HSVhsv(207, 70%, 82%)
CMYKcmyk(70%, 31.4%, 0%, 17.6%)
CIE-LABlab(57.71, -3.21, -41.03)
CIE-LCHlch(57.71, 41.16, 265.53°)
OKLaboklab(63.32% -0.051 -0.1162)
OKLCHoklch(63.32% 0.127 246.3)
XYZxyz(23.6516, 25.6538, 64.6655)
Luminance0.2566 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F90D2 #D2813F
analogous
#3FD2CA #3F90D2 #3F46D2
triadic
#3F90D2 #D23F90 #90D23F
tetradic
#3F90D2 #CA3FD2 #D2813F #46D23F
square
#3F90D2 #CA3FD2 #D2813F #46D23F
split-complementary
#3F90D2 #D23F46 #D2CA3F
monochromatic
#1D507A #2871AC #3F90D2 #71ADDE #A2C9E9

Accessibility & contrast

On white

3.43
#3F90D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.13
#3F90D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90D2
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F90D2#FFFFFF#000000##000000
##3F90D21.003.436.136.13
#FFFFFF3.431.0021.0021.00
#0000006.1321.001.001.00
##0000006.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7292D5
Deuteranopia (green-blind)
#5E84D1
Tritanopia (blue-blind)
#00A0A7
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3f90d2;
/* rgb */ color: rgb(63, 144, 210);
/* oklch */ color: oklch(63.3% 0.127 246.3);
Tailwind
colors: {
  custom: {
    50: '#85b0e0',
    500: '#3f90d2',
    950: '#000000',
  },
}
SCSS
$custom: #3f90d2;
$custom-light: #85b0e0;
$custom-dark: #000000;
JSON
{
  "hex": "#3f90d2",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 210
  },
  "hsl": {
    "h": 206.939,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6332,
    "c": 0.12688,
    "h": 246.3
  },
  "luminance": 0.25656
}

Semantic roles & 50–950 ramp

primary
#3F90D2
secondary
#D6B397
accent
#8C43E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F90D2

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

Preview Lab → · Contrast checker → · Palette generator →

#3F90D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva