#3B7ADD#3B7ADD

#3B7ADD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.0% C 0.165 H 259.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#3B7ADD
RGBrgb(59, 122, 221)
HSLhsl(217, 70%, 55%)
HSVhsv(217, 73%, 87%)
CMYKcmyk(73.3%, 44.8%, 0%, 13.3%)
CIE-LABlab(51.91, 13.38, -56.44)
CIE-LCHlch(51.91, 58.00, 283.34°)
OKLaboklab(58.96% -0.0308 -0.1617)
OKLCHoklch(58.96% 0.165 259.2)
XYZxyz(21.8096, 20.0669, 71.1165)
Luminance0.2007 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7ADD #DD9E3B
analogous
#3BCBDD #3B7ADD #4D3BDD
triadic
#3B7ADD #DD3B7A #7ADD3B
tetradic
#3B7ADD #DD3BCB #DD9E3B #3BDD4D
square
#3B7ADD #DD3BCB #DD9E3B #3BDD4D
split-complementary
#3B7ADD #DD4D3B #CBDD3B
monochromatic
#174286 #205CBA #3B7ADD #6F9DE6 #A3C1EF

Accessibility & contrast

On white

4.19
#3B7ADD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#3B7ADD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7ADD
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7ADD#FFFFFF#000000##000000
##3B7ADD1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#4784E1
Deuteranopia (green-blind)
#2575DB
Tritanopia (blue-blind)
#0091A1
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3b7add;
/* rgb */ color: rgb(59, 122, 221);
/* oklch */ color: oklch(59.0% 0.165 259.2);
Tailwind
colors: {
  custom: {
    50: '#859fe8',
    500: '#3b7add',
    950: '#000000',
  },
}
SCSS
$custom: #3b7add;
$custom-light: #859fe8;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7add",
  "rgb": {
    "r": 59,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 216.667,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58955,
    "c": 0.16461,
    "h": 259.2
  },
  "luminance": 0.20069
}

Semantic roles & 50–950 ramp

primary
#3B7ADD
secondary
#DCC198
accent
#A83BED
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0E16
muted
#7D7E84

Preview Lab

Preview with #3B7ADD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7ADD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva