#308BB9#308BB9

#308BB9 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.109 H 235.0°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#308BB9
RGBrgb(48, 139, 185)
HSLhsl(200, 59%, 46%)
HSVhsv(200, 74%, 73%)
CMYKcmyk(74.1%, 24.9%, 0%, 27.5%)
CIE-LABlab(54.65, -11.13, -31.70)
CIE-LCHlch(54.65, 33.60, 250.65°)
OKLaboklab(60.4% -0.0625 -0.0893)
OKLCHoklch(60.4% 0.109 235)
XYZxyz(19.2050, 22.5942, 49.2385)
Luminance0.2260 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308BB9 #B95E30
analogous
#30B9A2 #308BB9 #3046B9
triadic
#308BB9 #B9308B #8BB930
tetradic
#308BB9 #A230B9 #B95E30 #46B930
square
#308BB9 #A230B9 #B95E30 #46B930
split-complementary
#308BB9 #B93046 #B9A230
monochromatic
#174258 #236688 #308BB9 #54A8D3 #84C1DF

Accessibility & contrast

On white

3.80
#308BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.52
#308BB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BB9
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308BB9#FFFFFF#000000##000000
##308BB91.003.805.525.52
#FFFFFF3.801.0021.0021.00
#0000005.5221.001.001.00
##0000005.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#758ABB
Deuteranopia (green-blind)
#627DB8
Tritanopia (blue-blind)
#00979B
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #308bb9;
/* rgb */ color: rgb(48, 139, 185);
/* oklch */ color: oklch(60.4% 0.109 235.0);
Tailwind
colors: {
  custom: {
    50: '#7bacce',
    500: '#308bb9',
    950: '#000000',
  },
}
SCSS
$custom: #308bb9;
$custom-light: #7bacce;
$custom-dark: #000000;
JSON
{
  "hex": "#308bb9",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 200.146,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60403,
    "c": 0.10897,
    "h": 235
  },
  "luminance": 0.22596
}

Semantic roles & 50–950 ramp

primary
#308BB9
secondary
#C9967C
accent
#7A46E2
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #308BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#308BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva