#306DB0#306DB0

#306DB0 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.8% C 0.123 H 253.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#306DB0
RGBrgb(48, 109, 176)
HSLhsl(211, 57%, 44%)
HSVhsv(211, 73%, 69%)
CMYKcmyk(72.7%, 38.1%, 0%, 31%)
CIE-LABlab(45.22, 3.42, -41.34)
CIE-LCHlch(45.22, 41.48, 274.73°)
OKLaboklab(52.81% -0.036 -0.1177)
OKLCHoklch(52.81% 0.123 253)
XYZxyz(14.5211, 14.6986, 43.1377)
Luminance0.1470 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#306DB0 #B07330
analogous
#30ADB0 #306DB0 #3330B0
triadic
#306DB0 #B0306D #6DB030
tetradic
#306DB0 #B030AD #B07330 #30B033
square
#306DB0 #B030AD #B07330 #30B033
split-complementary
#306DB0 #B03330 #ADB030
monochromatic
#163150 #234F80 #306DB0 #4E8CCF #7EABDC

Accessibility & contrast

On white

5.33
#306DB0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.94
#306DB0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DB0
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##306DB0#FFFFFF#000000##FFFFFF
##306DB01.005.333.945.33
#FFFFFF5.331.0021.001.00
#0000003.9421.001.0021.00
##FFFFFF5.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E72B3
Deuteranopia (green-blind)
#3B66AF
Tritanopia (blue-blind)
#007D86
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #306db0;
/* rgb */ color: rgb(48, 109, 176);
/* oklch */ color: oklch(52.8% 0.123 253.0);
Tailwind
colors: {
  custom: {
    50: '#7996c8',
    500: '#306db0',
    950: '#000000',
  },
}
SCSS
$custom: #306db0;
$custom-light: #7996c8;
$custom-dark: #000000;
JSON
{
  "hex": "#306db0",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 176
  },
  "hsl": {
    "h": 211.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52813,
    "c": 0.12312,
    "h": 253
  },
  "luminance": 0.147
}

Semantic roles & 50–950 ramp

primary
#306DB0
secondary
#C5A077
accent
#9747E0
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #306DB0

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

Preview Lab → · Contrast checker → · Palette generator →

#306DB0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva