#1D7D9B#1D7D9B

#1D7D9B is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.095 H 224.4°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#1D7D9B
RGBrgb(29, 125, 155)
HSLhsl(194, 68%, 36%)
HSVhsv(194, 81%, 61%)
CMYKcmyk(81.3%, 19.4%, 0%, 39.2%)
CIE-LABlab(48.63, -16.06, -23.75)
CIE-LCHlch(48.63, 28.67, 235.93°)
OKLaboklab(55.05% -0.0681 -0.0666)
OKLCHoklch(55.05% 0.095 224.4)
XYZxyz(13.7542, 17.2933, 33.6170)
Luminance0.1729 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D7D9B #9B3B1D
analogous
#1D9B7A #1D7D9B #1D3E9B
triadic
#1D7D9B #9B1D7D #7D9B1D
tetradic
#1D7D9B #7A1D9B #9B3B1D #3E9B1D
square
#1D7D9B #7A1D9B #9B3B1D #3E9B1D
split-complementary
#1D7D9B #9B1D3E #9B7A1D
monochromatic
#0A2A34 #135367 #1D7D9B #27A7CF #53BEDF

Accessibility & contrast

On white

4.71
#1D7D9B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#1D7D9B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D7D9B
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D7D9B#FFFFFF#000000##FFFFFF
##1D7D9B1.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C7A9D
Deuteranopia (green-blind)
#5C6E9B
Tritanopia (blue-blind)
#008687
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #1d7d9b;
/* rgb */ color: rgb(29, 125, 155);
/* oklch */ color: oklch(55.0% 0.095 224.4);
Tailwind
colors: {
  custom: {
    50: '#6fa2b8',
    500: '#1d7d9b',
    950: '#000000',
  },
}
SCSS
$custom: #1d7d9b;
$custom-light: #6fa2b8;
$custom-dark: #000000;
JSON
{
  "hex": "#1d7d9b",
  "rgb": {
    "r": 29,
    "g": 125,
    "b": 155
  },
  "hsl": {
    "h": 194.286,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.55045,
    "c": 0.0953,
    "h": 224.4
  },
  "luminance": 0.17295
}

Semantic roles & 50–950 ramp

primary
#1D7D9B
secondary
#C26C52
accent
#663CEB
background
#F7FAFB
surface
#EDF3F6
border
#C8CDD0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1D7D9B

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

Preview Lab → · Contrast checker → · Palette generator →

#1D7D9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva