#307C8E#307C8E

#307C8E is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.7% C 0.078 H 216.2°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#307C8E
RGBrgb(48, 124, 142)
HSLhsl(191, 49%, 37%)
HSVhsv(191, 66%, 56%)
CMYKcmyk(66.2%, 12.7%, 0%, 44.3%)
CIE-LABlab(48.25, -17.33, -16.65)
CIE-LCHlch(48.25, 24.03, 223.85°)
OKLaboklab(54.71% -0.0633 -0.0463)
OKLCHoklch(54.71% 0.078 216.2)
XYZxyz(13.3071, 16.9953, 28.1651)
Luminance0.1700 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#307C8E #8E4230
analogous
#308E71 #307C8E #304D8E
triadic
#307C8E #8E307C #7C8E30
tetradic
#307C8E #71308E #8E4230 #4D8E30
square
#307C8E #71308E #8E4230 #4D8E30
split-complementary
#307C8E #8E304D #8E7130
monochromatic
#112C33 #215460 #307C8E #3FA4BC #6BBACD

Accessibility & contrast

On white

4.77
#307C8E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.40
#307C8E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #307C8E
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##307C8E#FFFFFF#000000##FFFFFF
##307C8E1.004.774.404.77
#FFFFFF4.771.0021.001.00
#0000004.4021.001.0021.00
##FFFFFF4.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#70788F
Deuteranopia (green-blind)
#626E8E
Tritanopia (blue-blind)
#008382
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #307c8e;
/* rgb */ color: rgb(48, 124, 142);
/* oklch */ color: oklch(54.7% 0.078 216.2);
Tailwind
colors: {
  custom: {
    50: '#74a2af',
    500: '#307c8e',
    950: '#000000',
  },
}
SCSS
$custom: #307c8e;
$custom-light: #74a2af;
$custom-dark: #000000;
JSON
{
  "hex": "#307c8e",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 191.489,
    "s": 49.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.54705,
    "c": 0.07841,
    "h": 216.2
  },
  "luminance": 0.16997
}

Semantic roles & 50–950 ramp

primary
#307C8E
secondary
#B47565
accent
#694FD9
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#090F10
muted
#7B7E7F

Preview Lab

Preview with #307C8E

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

Preview Lab → · Contrast checker → · Palette generator →

#307C8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva