#308BBC#308BBC

#308BBC is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.6% C 0.112 H 236.7°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#308BBC
RGBrgb(48, 139, 188)
HSLhsl(201, 59%, 46%)
HSVhsv(201, 74%, 74%)
CMYKcmyk(74.5%, 26.1%, 0%, 26.3%)
CIE-LABlab(54.78, -10.09, -33.20)
CIE-LCHlch(54.78, 34.70, 253.10°)
OKLaboklab(60.55% -0.0614 -0.0936)
OKLCHoklch(60.55% 0.112 236.7)
XYZxyz(19.5250, 22.7222, 50.9240)
Luminance0.2272 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308BBC #BC6130
analogous
#30BCA7 #308BBC #3045BC
triadic
#308BBC #BC308B #8BBC30
tetradic
#308BBC #A730BC #BC6130 #45BC30
square
#308BBC #A730BC #BC6130 #45BC30
split-complementary
#308BBC #BC3045 #BCA730
monochromatic
#17435A #24678B #308BBC #55A8D4 #86C1E0

Accessibility & contrast

On white

3.79
#308BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.54
#308BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BBC
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308BBC#FFFFFF#000000##000000
##308BBC1.003.795.545.54
#FFFFFF3.791.0021.0021.00
#0000005.5421.001.001.00
##0000005.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#748BBE
Deuteranopia (green-blind)
#617DBB
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #308bbc;
/* rgb */ color: rgb(48, 139, 188);
/* oklch */ color: oklch(60.6% 0.112 236.7);
Tailwind
colors: {
  custom: {
    50: '#7cacd0',
    500: '#308bbc',
    950: '#000000',
  },
}
SCSS
$custom: #308bbc;
$custom-light: #7cacd0;
$custom-dark: #000000;
JSON
{
  "hex": "#308bbc",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 201,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.60552,
    "c": 0.112,
    "h": 236.7
  },
  "luminance": 0.22724
}

Semantic roles & 50–950 ramp

primary
#308BBC
secondary
#CA997E
accent
#7C45E3
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #308BBC

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

Preview Lab → · Contrast checker → · Palette generator →

#308BBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva