#3B7DDD#3B7DDD

#3B7DDD is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.6% C 0.161 H 258.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#3B7DDD
RGBrgb(59, 125, 221)
HSLhsl(216, 70%, 55%)
HSVhsv(216, 73%, 87%)
CMYKcmyk(73.3%, 43.4%, 0%, 13.3%)
CIE-LABlab(52.75, 11.53, -55.10)
CIE-LCHlch(52.75, 56.29, 281.81°)
OKLaboklab(59.6% -0.0334 -0.1577)
OKLCHoklch(59.6% 0.161 258)
XYZxyz(22.1836, 20.8150, 71.2412)
Luminance0.2082 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B7DDD #DD9B3B
analogous
#3BCEDD #3B7DDD #4A3BDD
triadic
#3B7DDD #DD3B7D #7DDD3B
tetradic
#3B7DDD #DD3BCE #DD9B3B #3BDD4A
square
#3B7DDD #DD3BCE #DD9B3B #3BDD4A
split-complementary
#3B7DDD #DD4A3B #CEDD3B
monochromatic
#174586 #205FBA #3B7DDD #6FA0E6 #A3C2EF

Accessibility & contrast

On white

4.07
#3B7DDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.16
#3B7DDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7DDD
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B7DDD#FFFFFF#000000##000000
##3B7DDD1.004.075.165.16
#FFFFFF4.071.0021.0021.00
#0000005.1621.001.001.00
##0000005.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#4D86E1
Deuteranopia (green-blind)
#2E77DB
Tritanopia (blue-blind)
#0094A2
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #3b7ddd;
/* rgb */ color: rgb(59, 125, 221);
/* oklch */ color: oklch(59.6% 0.161 258.0);
Tailwind
colors: {
  custom: {
    50: '#85a2e8',
    500: '#3b7ddd',
    950: '#000000',
  },
}
SCSS
$custom: #3b7ddd;
$custom-light: #85a2e8;
$custom-dark: #000000;
JSON
{
  "hex": "#3b7ddd",
  "rgb": {
    "r": 59,
    "g": 125,
    "b": 221
  },
  "hsl": {
    "h": 215.556,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59599,
    "c": 0.16122,
    "h": 258
  },
  "luminance": 0.20817
}

Semantic roles & 50–950 ramp

primary
#3B7DDD
secondary
#DCC098
accent
#A43BED
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0E16
muted
#7D7E84

Preview Lab

Preview with #3B7DDD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B7DDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva