#307EA1#307EA1

#307EA1 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.092 H 231.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#307EA1
RGBrgb(48, 126, 161)
HSLhsl(199, 54%, 41%)
HSVhsv(199, 70%, 63%)
CMYKcmyk(70.2%, 21.7%, 0%, 36.9%)
CIE-LABlab(49.64, -12.08, -25.64)
CIE-LCHlch(49.64, 28.35, 244.77°)
OKLaboklab(56.07% -0.0579 -0.0719)
OKLCHoklch(56.07% 0.092 231.2)
XYZxyz(15.1102, 18.1216, 36.4128)
Luminance0.1812 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307EA1 #A15330
analogous
#30A18B #307EA1 #3045A1
triadic
#307EA1 #A1307E #7EA130
tetradic
#307EA1 #8B30A1 #A15330 #45A130
square
#307EA1 #8B30A1 #A15330 #45A130
split-complementary
#307EA1 #A13045 #A18B30
monochromatic
#143443 #225972 #307EA1 #46A0C8 #75B8D6

Accessibility & contrast

On white

4.54
#307EA1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#307EA1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EA1
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307EA1#FFFFFF#000000##000000
##307EA11.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C7CA3
Deuteranopia (green-blind)
#5D71A0
Tritanopia (blue-blind)
#00888A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #307ea1;
/* rgb */ color: rgb(48, 126, 161);
/* oklch */ color: oklch(56.1% 0.092 231.2);
Tailwind
colors: {
  custom: {
    50: '#77a3bd',
    500: '#307ea1',
    950: '#000000',
  },
}
SCSS
$custom: #307ea1;
$custom-light: #77a3bd;
$custom-dark: #000000;
JSON
{
  "hex": "#307ea1",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 198.584,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56069,
    "c": 0.09234,
    "h": 231.2
  },
  "luminance": 0.18123
}

Semantic roles & 50–950 ramp

primary
#307EA1
secondary
#BE876F
accent
#784ADD
background
#F7FAFB
surface
#EEF3F6
border
#C9CDD0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #307EA1

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

Preview Lab → · Contrast checker → · Palette generator →

#307EA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva