#3A6DDB#3A6DDB

#3A6DDB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.177 H 263.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#3A6DDB
RGBrgb(58, 109, 219)
HSLhsl(221, 69%, 54%)
HSVhsv(221, 74%, 86%)
CMYKcmyk(73.5%, 50.2%, 0%, 14.1%)
CIE-LABlab(48.20, 20.67, -61.29)
CIE-LCHlch(48.20, 64.68, 288.63°)
OKLaboklab(56.05% -0.0211 -0.1762)
OKLCHoklch(56.05% 0.177 263.2)
XYZxyz(19.9952, 16.9491, 69.2218)
Luminance0.1695 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A6DDB #DBA83A
analogous
#3ABEDB #3A6DDB #583ADB
triadic
#3A6DDB #DB3A6D #6DDB3A
tetradic
#3A6DDB #DB3ABE #DBA83A #3ADB58
square
#3A6DDB #DB3ABE #DBA83A #3ADB58
split-complementary
#3A6DDB #DB583A #BEDB3A
monochromatic
#183A83 #2151B6 #3A6DDB #6E93E4 #A1BAEE

Accessibility & contrast

On white

4.78
#3A6DDB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#3A6DDB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A6DDB
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A6DDB#FFFFFF#000000##FFFFFF
##3A6DDB1.004.784.394.78
#FFFFFF4.781.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#297ADF
Deuteranopia (green-blind)
#006BD9
Tritanopia (blue-blind)
#00879A
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #3a6ddb;
/* rgb */ color: rgb(58, 109, 219);
/* oklch */ color: oklch(56.1% 0.177 263.2);
Tailwind
colors: {
  custom: {
    50: '#8596e7',
    500: '#3a6ddb',
    950: '#000000',
  },
}
SCSS
$custom: #3a6ddb;
$custom-light: #8596e7;
$custom-dark: #000000;
JSON
{
  "hex": "#3a6ddb",
  "rgb": {
    "r": 58,
    "g": 109,
    "b": 219
  },
  "hsl": {
    "h": 220.994,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56054,
    "c": 0.17749,
    "h": 263.2
  },
  "luminance": 0.16951
}

Semantic roles & 50–950 ramp

primary
#3A6DDB
secondary
#DBC596
accent
#B43CEC
background
#F8F9FE
surface
#F0F1FC
border
#CBCBD5
text
#0D0D16
muted
#7D7E84

Preview Lab

Preview with #3A6DDB

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

Preview Lab → · Contrast checker → · Palette generator →

#3A6DDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva