#307EAB#307EAB

#307EAB is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.6% C 0.102 H 237.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#307EAB
RGBrgb(48, 126, 171)
HSLhsl(202, 56%, 43%)
HSVhsv(202, 72%, 67%)
CMYKcmyk(71.9%, 26.3%, 0%, 32.9%)
CIE-LABlab(50.08, -8.61, -30.77)
CIE-LCHlch(50.08, 31.95, 254.37°)
OKLaboklab(56.57% -0.0543 -0.0867)
OKLCHoklch(56.57% 0.102 237.9)
XYZxyz(16.0276, 18.4886, 41.2441)
Luminance0.1849 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307EAB #AB5D30
analogous
#30AB9A #307EAB #3041AB
triadic
#307EAB #AB307E #7EAB30
tetradic
#307EAB #9A30AB #AB5D30 #41AB30
square
#307EAB #9A30AB #AB5D30 #41AB30
split-complementary
#307EAB #AB3041 #AB9A30
monochromatic
#15384B #235B7B #307EAB #4C9DCD #7BB7DA

Accessibility & contrast

On white

4.47
#307EAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.70
#307EAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307EAB
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307EAB#FFFFFF#000000##000000
##307EAB1.004.474.704.70
#FFFFFF4.471.0021.0021.00
#0000004.7021.001.001.00
##0000004.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#697EAD
Deuteranopia (green-blind)
#5872AA
Tritanopia (blue-blind)
#00898D
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #307eab;
/* rgb */ color: rgb(48, 126, 171);
/* oklch */ color: oklch(56.6% 0.102 237.9);
Tailwind
colors: {
  custom: {
    50: '#78a3c4',
    500: '#307eab',
    950: '#000000',
  },
}
SCSS
$custom: #307eab;
$custom-light: #78a3c4;
$custom-dark: #000000;
JSON
{
  "hex": "#307eab",
  "rgb": {
    "r": 48,
    "g": 126,
    "b": 171
  },
  "hsl": {
    "h": 201.951,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56565,
    "c": 0.10234,
    "h": 237.9
  },
  "luminance": 0.1849
}

Semantic roles & 50–950 ramp

primary
#307EAB
secondary
#C39174
accent
#8048DF
background
#F7FAFC
surface
#EEF3F8
border
#C9CDD1
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #307EAB

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

Preview Lab → · Contrast checker → · Palette generator →

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