#307D8B#307D8B

#307D8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.8% C 0.077 H 211.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#307D8B
RGBrgb(48, 125, 139)
HSLhsl(189, 49%, 37%)
HSVhsv(189, 65%, 55%)
CMYKcmyk(65.5%, 10.1%, 0%, 45.5%)
CIE-LABlab(48.46, -18.84, -14.57)
CIE-LCHlch(48.46, 23.82, 217.72°)
OKLaboklab(54.83% -0.0656 -0.0404)
OKLCHoklch(54.83% 0.077 211.6)
XYZxyz(13.2108, 17.1583, 27.0367)
Luminance0.1716 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307D8B #8B3E30
analogous
#308B6C #307D8B #30508B
triadic
#307D8B #8B307D #7D8B30
tetradic
#307D8B #6C308B #8B3E30 #508B30
square
#307D8B #6C308B #8B3E30 #508B30
split-complementary
#307D8B #8B3050 #8B6C30
monochromatic
#112B30 #20545E #307D8B #40A6B8 #6ABCCC

Accessibility & contrast

On white

4.74
#307D8B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.43
#307D8B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307D8B
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307D8B#FFFFFF#000000##FFFFFF
##307D8B1.004.744.434.74
#FFFFFF4.741.0021.001.00
#0000004.4321.001.0021.00
##FFFFFF4.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#72798C
Deuteranopia (green-blind)
#646F8B
Tritanopia (blue-blind)
#008381
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #307d8b;
/* rgb */ color: rgb(48, 125, 139);
/* oklch */ color: oklch(54.8% 0.077 211.6);
Tailwind
colors: {
  custom: {
    50: '#74a3ac',
    500: '#307d8b',
    950: '#000000',
  },
}
SCSS
$custom: #307d8b;
$custom-light: #74a3ac;
$custom-dark: #000000;
JSON
{
  "hex": "#307d8b",
  "rgb": {
    "r": 48,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 189.231,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.54832,
    "c": 0.07711,
    "h": 211.6
  },
  "luminance": 0.1716
}

Semantic roles & 50–950 ramp

primary
#307D8B
secondary
#B37064
accent
#6550D8
background
#F7FAFA
surface
#EDF3F4
border
#C8CDCE
text
#090F10
muted
#7B7F7F

Preview Lab

Preview with #307D8B

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

Preview Lab → · Contrast checker → · Palette generator →

#307D8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva