#3383B3#3383B3

#3383B3 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.3% C 0.106 H 238.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX#3383B3
RGBrgb(51, 131, 179)
HSLhsl(203, 56%, 45%)
HSVhsv(203, 72%, 70%)
CMYKcmyk(71.5%, 26.8%, 0%, 29.8%)
CIE-LABlab(52.05, -8.25, -32.31)
CIE-LCHlch(52.05, 33.35, 255.68°)
OKLaboklab(58.27% -0.0549 -0.0911)
OKLCHoklch(58.27% 0.106 238.9)
XYZxyz(17.6151, 20.1891, 45.6076)
Luminance0.2019 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3383B3 #B36333
analogous
#33B3A3 #3383B3 #3343B3
triadic
#3383B3 #B33383 #83B333
tetradic
#3383B3 #A333B3 #B36333 #43B333
square
#3383B3 #A333B3 #B36333 #43B333
split-complementary
#3383B3 #B33343 #B3A333
monochromatic
#183D54 #256083 #3383B3 #55A1CE #84BBDC

Accessibility & contrast

On white

4.17
#3383B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.04
#3383B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3383B3
5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3383B3#FFFFFF#000000##000000
##3383B31.004.175.045.04
#FFFFFF4.171.0021.0021.00
#0000005.0421.001.001.00
##0000005.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D83B5
Deuteranopia (green-blind)
#5B77B2
Tritanopia (blue-blind)
#008F94
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3383b3;
/* rgb */ color: rgb(51, 131, 179);
/* oklch */ color: oklch(58.3% 0.106 238.9);
Tailwind
colors: {
  custom: {
    50: '#7ba6ca',
    500: '#3383b3',
    950: '#000000',
  },
}
SCSS
$custom: #3383b3;
$custom-light: #7ba6ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3383b3",
  "rgb": {
    "r": 51,
    "g": 131,
    "b": 179
  },
  "hsl": {
    "h": 202.5,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5827,
    "c": 0.10641,
    "h": 238.9
  },
  "luminance": 0.20191
}

Semantic roles & 50–950 ramp

primary
#3383B3
secondary
#C6987C
accent
#8149DF
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #3383B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3383B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva