#3B72CA#3B72CA

#3B72CA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.149 H 259.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3B72CA
RGBrgb(59, 114, 202)
HSLhsl(217, 57%, 51%)
HSVhsv(217, 71%, 79%)
CMYKcmyk(70.8%, 43.6%, 0%, 20.8%)
CIE-LABlab(48.54, 11.44, -51.04)
CIE-LCHlch(48.54, 52.31, 282.63°)
OKLaboklab(55.99% -0.0272 -0.146)
OKLCHoklch(55.99% 0.149 259.4)
XYZxyz(18.4778, 17.2267, 58.2169)
Luminance0.1723 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B72CA #CA933B
analogous
#3BB9CA #3B72CA #4B3BCA
triadic
#3B72CA #CA3B72 #72CA3B
tetradic
#3B72CA #CA3BB9 #CA933B #3BCA4B
square
#3B72CA #CA3BB9 #CA933B #3BCA4B
split-complementary
#3B72CA #CA4B3B #B9CA3B
monochromatic
#1E3C6D #2B579D #3B72CA #6B95D7 #9BB7E4

Accessibility & contrast

On white

4.72
#3B72CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#3B72CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B72CA
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B72CA#FFFFFF#000000##FFFFFF
##3B72CA1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#477ACD
Deuteranopia (green-blind)
#2D6DC8
Tritanopia (blue-blind)
#008794
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3b72ca;
/* rgb */ color: rgb(59, 114, 202);
/* oklch */ color: oklch(56.0% 0.149 259.4);
Tailwind
colors: {
  custom: {
    50: '#829adb',
    500: '#3b72ca',
    950: '#000000',
  },
}
SCSS
$custom: #3b72ca;
$custom-light: #829adb;
$custom-dark: #000000;
JSON
{
  "hex": "#3b72ca",
  "rgb": {
    "r": 59,
    "g": 114,
    "b": 202
  },
  "hsl": {
    "h": 216.923,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55989,
    "c": 0.14851,
    "h": 259.4
  },
  "luminance": 0.17229
}

Semantic roles & 50–950 ramp

primary
#3B72CA
secondary
#D0B891
accent
#A647E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #3B72CA

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

Preview Lab → · Contrast checker → · Palette generator →

#3B72CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva