#3C70CF#3C70CF

#3C70CF is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.157 H 261.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#3C70CF
RGBrgb(60, 112, 207)
HSLhsl(219, 60%, 52%)
HSVhsv(219, 71%, 81%)
CMYKcmyk(71%, 45.9%, 0%, 18.8%)
CIE-LABlab(48.33, 14.66, -54.25)
CIE-LCHlch(48.33, 56.20, 285.12°)
OKLaboklab(55.93% -0.0238 -0.1554)
OKLCHoklch(55.93% 0.157 261.3)
XYZxyz(18.9161, 17.0520, 61.3138)
Luminance0.1705 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3C70CF #CF9B3C
analogous
#3CB9CF #3C70CF #523CCF
triadic
#3C70CF #CF3C70 #70CF3C
tetradic
#3C70CF #CF3CB9 #CF9B3C #3CCF52
square
#3C70CF #CF3CB9 #CF9B3C #3CCF52
split-complementary
#3C70CF #CF523C #B9CF3C
monochromatic
#1D3C74 #2955A5 #3C70CF #6D94DB #9EB8E7

Accessibility & contrast

On white

4.76
#3C70CF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.41
#3C70CF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C70CF
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3C70CF#FFFFFF#000000##FFFFFF
##3C70CF1.004.764.414.76
#FFFFFF4.761.0021.001.00
#0000004.4121.001.0021.00
##FFFFFF4.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F7AD3
Deuteranopia (green-blind)
#1F6CCD
Tritanopia (blue-blind)
#008695
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3c70cf;
/* rgb */ color: rgb(60, 112, 207);
/* oklch */ color: oklch(55.9% 0.157 261.3);
Tailwind
colors: {
  custom: {
    50: '#8398de',
    500: '#3c70cf',
    950: '#000000',
  },
}
SCSS
$custom: #3c70cf;
$custom-light: #8398de;
$custom-dark: #000000;
JSON
{
  "hex": "#3c70cf",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 218.776,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55929,
    "c": 0.15724,
    "h": 261.3
  },
  "luminance": 0.17054
}

Semantic roles & 50–950 ramp

primary
#3C70CF
secondary
#D3BD93
accent
#AB44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3C70CF

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

Preview Lab → · Contrast checker → · Palette generator →

#3C70CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva