#3B7FD1#3B7FD1

#3B7FD1 is a mid, vivid cyan. Relative luminance 0.207; OKLCH L 59.3% C 0.143 H 254.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#3B7FD1
RGBrgb(59, 127, 209)
HSLhsl(213, 62%, 53%)
HSVhsv(213, 72%, 82%)
CMYKcmyk(71.8%, 39.2%, 0%, 18%)
CIE-LABlab(52.63, 5.96, -48.51)
CIE-LCHlch(52.63, 48.87, 277.00°)
OKLaboklab(59.29% -0.0377 -0.1383)
OKLCHoklch(59.29% 0.143 254.8)
XYZxyz(20.8974, 20.7097, 63.2053)
Luminance0.2071 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7FD1 #D18D3B
analogous
#3BCAD1 #3B7FD1 #423BD1
triadic
#3B7FD1 #D13B7F #7FD13B
tetradic
#3B7FD1 #D13BCA #D18D3B #3BD142
square
#3B7FD1 #D13BCA #D18D3B #3BD142
split-complementary
#3B7FD1 #D1423B #CAD13B
monochromatic
#1C4576 #2761A7 #3B7FD1 #6D9FDD #9EC0E8

Accessibility & contrast

On white

4.08
#3B7FD1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.14
#3B7FD1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7FD1
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7FD1#FFFFFF#000000##000000
##3B7FD11.004.085.145.14
#FFFFFF4.081.0021.0021.00
#0000005.1421.001.001.00
##0000005.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5985D4
Deuteranopia (green-blind)
#4177CF
Tritanopia (blue-blind)
#00929E
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3b7fd1;
/* rgb */ color: rgb(59, 127, 209);
/* oklch */ color: oklch(59.3% 0.143 254.8);
Tailwind
colors: {
  custom: {
    50: '#83a3df',
    500: '#3b7fd1',
    950: '#000000',
  },
}
SCSS
$custom: #3b7fd1;
$custom-light: #83a3df;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7fd1",
  "rgb": {
    "r": 59,
    "g": 127,
    "b": 209
  },
  "hsl": {
    "h": 212.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59288,
    "c": 0.14337,
    "h": 254.8
  },
  "luminance": 0.20712
}

Semantic roles & 50–950 ramp

primary
#3B7FD1
secondary
#D4B793
accent
#9B43E5
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3B7FD1

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7FD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva