#3B5BBE#3B5BBE

#3B5BBE is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.160 H 267.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX#3B5BBE
RGBrgb(59, 91, 190)
HSLhsl(225, 53%, 49%)
HSVhsv(225, 69%, 75%)
CMYKcmyk(68.9%, 52.1%, 0%, 25.5%)
CIE-LABlab(41.42, 21.72, -55.57)
CIE-LCHlch(41.42, 59.67, 291.34°)
OKLaboklab(50.29% -0.0084 -0.1597)
OKLCHoklch(50.29% 0.16 267)
XYZxyz(14.8358, 12.1282, 50.2643)
Luminance0.1213 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B5BBE #BE9E3B
analogous
#3B9DBE #3B5BBE #5D3BBE
triadic
#3B5BBE #BE3B5B #5BBE3B
tetradic
#3B5BBE #BE3B9D #BE9E3B #3BBE5D
square
#3B5BBE #BE3B9D #BE9E3B #3BBE5D
split-complementary
#3B5BBE #BE5D3B #9DBE3B
monochromatic
#1E2E61 #2C458F #3B5BBE #6780D0 #95A7DE

Accessibility & contrast

On white

6.13
#3B5BBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.43
#3B5BBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5BBE
6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B5BBE#FFFFFF#000000##FFFFFF
##3B5BBE1.006.133.436.13
#FFFFFF6.131.0021.001.00
#0000003.4321.001.0021.00
##FFFFFF6.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C68C2
Deuteranopia (green-blind)
#005CBC
Tritanopia (blue-blind)
#007384
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #3b5bbe;
/* rgb */ color: rgb(59, 91, 190);
/* oklch */ color: oklch(50.3% 0.160 267.0);
Tailwind
colors: {
  custom: {
    50: '#8088d2',
    500: '#3b5bbe',
    950: '#000000',
  },
}
SCSS
$custom: #3b5bbe;
$custom-light: #8088d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3b5bbe",
  "rgb": {
    "r": 59,
    "g": 91,
    "b": 190
  },
  "hsl": {
    "h": 225.344,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5029,
    "c": 0.1599,
    "h": 267
  },
  "luminance": 0.1213
}

Semantic roles & 50–950 ramp

primary
#3B5BBE
secondary
#CABA8B
accent
#B94CDC
background
#F8F8FD
surface
#F0EFFA
border
#CBCAD3
text
#0B0B14
muted
#7C7C83

Preview Lab

Preview with #3B5BBE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B5BBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva