#308CA5#308CA5

#308CA5 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.092 H 219.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#308CA5
RGBrgb(48, 140, 165)
HSLhsl(193, 55%, 42%)
HSVhsv(193, 71%, 65%)
CMYKcmyk(70.9%, 15.2%, 0%, 35.3%)
CIE-LABlab(54.13, -18.47, -21.04)
CIE-LCHlch(54.13, 28.00, 228.73°)
OKLaboklab(59.72% -0.071 -0.0587)
OKLCHoklch(59.72% 0.092 219.6)
XYZxyz(17.3857, 22.0992, 38.9393)
Luminance0.2210 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308CA5 #A54930
analogous
#30A584 #308CA5 #3051A5
triadic
#308CA5 #A5308C #8CA530
tetradic
#308CA5 #8430A5 #A54930 #51A530
square
#308CA5 #8430A5 #A54930 #51A530
split-complementary
#308CA5 #A53051 #A58430
monochromatic
#143C46 #226476 #308CA5 #48AECA #78C3D8

Accessibility & contrast

On white

3.87
#308CA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.42
#308CA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308CA5
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308CA5#FFFFFF#000000##000000
##308CA51.003.875.425.42
#FFFFFF3.871.0021.0021.00
#0000005.4221.001.001.00
##0000005.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D88A6
Deuteranopia (green-blind)
#6C7CA5
Tritanopia (blue-blind)
#009494
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #308ca5;
/* rgb */ color: rgb(48, 140, 165);
/* oklch */ color: oklch(59.7% 0.092 219.6);
Tailwind
colors: {
  custom: {
    50: '#78adbf',
    500: '#308ca5',
    950: '#000000',
  },
}
SCSS
$custom: #308ca5;
$custom-light: #78adbf;
$custom-dark: #000000;
JSON
{
  "hex": "#308ca5",
  "rgb": {
    "r": 48,
    "g": 140,
    "b": 165
  },
  "hsl": {
    "h": 192.821,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59715,
    "c": 0.09213,
    "h": 219.6
  },
  "luminance": 0.22101
}

Semantic roles & 50–950 ramp

primary
#308CA5
secondary
#C08271
accent
#694ADE
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #308CA5

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

Preview Lab → · Contrast checker → · Palette generator →

#308CA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva