#308CB9#308CB9

#308CB9 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.6% C 0.108 H 234.2°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#308CB9
RGBrgb(48, 140, 185)
HSLhsl(200, 59%, 46%)
HSVhsv(200, 74%, 73%)
CMYKcmyk(74.1%, 24.3%, 0%, 27.5%)
CIE-LABlab(54.95, -11.70, -31.23)
CIE-LCHlch(54.95, 33.35, 249.47°)
OKLaboklab(60.64% -0.0635 -0.0879)
OKLCHoklch(60.64% 0.108 234.2)
XYZxyz(19.3505, 22.8851, 49.2870)
Luminance0.2289 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308CB9 #B95D30
analogous
#30B9A1 #308CB9 #3047B9
triadic
#308CB9 #B9308C #8CB930
tetradic
#308CB9 #A130B9 #B95D30 #47B930
square
#308CB9 #A130B9 #B95D30 #47B930
split-complementary
#308CB9 #B93047 #B9A130
monochromatic
#174258 #236788 #308CB9 #54A9D3 #84C1DF

Accessibility & contrast

On white

3.77
#308CB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.58
#308CB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CB9
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308CB9#FFFFFF#000000##000000
##308CB91.003.775.585.58
#FFFFFF3.771.0021.0021.00
#0000005.5821.001.001.00
##0000005.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#768BBB
Deuteranopia (green-blind)
#637EB8
Tritanopia (blue-blind)
#00989B
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #308cb9;
/* rgb */ color: rgb(48, 140, 185);
/* oklch */ color: oklch(60.6% 0.108 234.2);
Tailwind
colors: {
  custom: {
    50: '#7badce',
    500: '#308cb9',
    950: '#000000',
  },
}
SCSS
$custom: #308cb9;
$custom-light: #7badce;
$custom-dark: #000000;
JSON
{
  "hex": "#308cb9",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 185
  },
  "hsl": {
    "h": 199.708,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60643,
    "c": 0.10843,
    "h": 234.2
  },
  "luminance": 0.22887
}

Semantic roles & 50–950 ramp

primary
#308CB9
secondary
#C9957C
accent
#7946E2
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #308CB9

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

Preview Lab → · Contrast checker → · Palette generator →

#308CB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva