#1D6BB3#1D6BB3

#1D6BB3 is a mid, vivid cyan. Relative luminance 0.140; OKLCH L 52.0% C 0.135 H 251.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#1D6BB3
RGBrgb(29, 107, 179)
HSLhsl(209, 72%, 41%)
HSVhsv(209, 84%, 70%)
CMYKcmyk(83.8%, 40.2%, 0%, 29.8%)
CIE-LABlab(44.28, 3.61, -44.63)
CIE-LCHlch(44.28, 44.77, 274.62°)
OKLaboklab(51.98% -0.0439 -0.1276)
OKLCHoklch(51.98% 0.135 251)
XYZxyz(13.8980, 14.0295, 44.6146)
Luminance0.1403 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D6BB3 #B3651D
analogous
#1DB3B0 #1D6BB3 #1D20B3
triadic
#1D6BB3 #B31D6B #6BB31D
tetradic
#1D6BB3 #B01DB3 #B3651D #20B31D
square
#1D6BB3 #B01DB3 #B3651D #20B31D
split-complementary
#1D6BB3 #B31D20 #B3B01D
monochromatic
#0C2C4A #144C7E #1D6BB3 #308ADD #64A8E6

Accessibility & contrast

On white

5.52
#1D6BB3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#1D6BB3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D6BB3
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D6BB3#FFFFFF#000000##FFFFFF
##1D6BB31.005.523.815.52
#FFFFFF5.521.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4870B6
Deuteranopia (green-blind)
#2F63B2
Tritanopia (blue-blind)
#007C86
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #1d6bb3;
/* rgb */ color: rgb(29, 107, 179);
/* oklch */ color: oklch(52.0% 0.135 251.0);
Tailwind
colors: {
  custom: {
    50: '#7394ca',
    500: '#1d6bb3',
    950: '#000000',
  },
}
SCSS
$custom: #1d6bb3;
$custom-light: #7394ca;
$custom-dark: #000000;
JSON
{
  "hex": "#1d6bb3",
  "rgb": {
    "r": 29,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 208.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51984,
    "c": 0.13495,
    "h": 251
  },
  "luminance": 0.14031
}

Semantic roles & 50–950 ramp

primary
#1D6BB3
secondary
#CB9461
accent
#9039EF
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #1D6BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#1D6BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva