#3377DB#3377DB

#3377DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.168 H 258.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#3377DB
RGBrgb(51, 119, 219)
HSLhsl(216, 70%, 53%)
HSVhsv(216, 77%, 86%)
CMYKcmyk(76.7%, 45.7%, 0%, 14.1%)
CIE-LABlab(50.70, 13.54, -57.27)
CIE-LCHlch(50.70, 58.85, 283.30°)
OKLaboklab(57.91% -0.0339 -0.1643)
OKLCHoklch(57.91% 0.168 258.4)
XYZxyz(20.7436, 19.0095, 69.5800)
Luminance0.1901 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3377DB #DB9733
analogous
#33CBDB #3377DB #4333DB
triadic
#3377DB #DB3377 #77DB33
tetradic
#3377DB #DB33CB #DB9733 #33DB43
square
#3377DB #DB33CB #DB9733 #33DB43
split-complementary
#3377DB #DB4333 #CBDB33
monochromatic
#16407D #1F5AB1 #3377DB #679AE4 #9BBCED

Accessibility & contrast

On white

4.37
#3377DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#3377DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377DB
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3377DB#FFFFFF#000000##000000
##3377DB1.004.374.804.80
#FFFFFF4.371.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#4281DF
Deuteranopia (green-blind)
#1972D9
Tritanopia (blue-blind)
#008F9E
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3377db;
/* rgb */ color: rgb(51, 119, 219);
/* oklch */ color: oklch(57.9% 0.168 258.4);
Tailwind
colors: {
  custom: {
    50: '#829de7',
    500: '#3377db',
    950: '#000000',
  },
}
SCSS
$custom: #3377db;
$custom-light: #829de7;
$custom-dark: #000000;
JSON
{
  "hex": "#3377db",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 215.714,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57906,
    "c": 0.16777,
    "h": 258.4
  },
  "luminance": 0.19012
}

Semantic roles & 50–950 ramp

primary
#3377DB
secondary
#D9BC91
accent
#A53BED
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3377DB

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

Preview Lab → · Contrast checker → · Palette generator →

#3377DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva