#1D88A1#1D88A1

#1D88A1 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.1% C 0.097 H 218.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#1D88A1
RGBrgb(29, 136, 161)
HSLhsl(191, 69%, 37%)
HSVhsv(191, 82%, 63%)
CMYKcmyk(82%, 15.5%, 0%, 36.9%)
CIE-LABlab(52.33, -19.95, -21.53)
CIE-LCHlch(52.33, 29.36, 227.18°)
OKLaboklab(58.1% -0.0765 -0.0602)
OKLCHoklch(58.1% 0.097 218.2)
XYZxyz(15.7411, 20.4408, 36.8271)
Luminance0.2044 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D88A1 #A1361D
analogous
#1DA178 #1D88A1 #1D46A1
triadic
#1D88A1 #A11D88 #88A11D
tetradic
#1D88A1 #781DA1 #A1361D #46A11D
square
#1D88A1 #781DA1 #A1361D #46A11D
split-complementary
#1D88A1 #A11D46 #A1781D
monochromatic
#0A3039 #145C6D #1D88A1 #26B4D5 #58C7E1

Accessibility & contrast

On white

4.13
#1D88A1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.09
#1D88A1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D88A1
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D88A1#FFFFFF#000000##000000
##1D88A11.004.135.095.09
#FFFFFF4.131.0021.0021.00
#0000005.0921.001.001.00
##0000005.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7884A2
Deuteranopia (green-blind)
#6777A1
Tritanopia (blue-blind)
#009090
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #1d88a1;
/* rgb */ color: rgb(29, 136, 161);
/* oklch */ color: oklch(58.1% 0.097 218.2);
Tailwind
colors: {
  custom: {
    50: '#71abbc',
    500: '#1d88a1',
    950: '#000000',
  },
}
SCSS
$custom: #1d88a1;
$custom-light: #71abbc;
$custom-dark: #000000;
JSON
{
  "hex": "#1d88a1",
  "rgb": {
    "r": 29,
    "g": 136,
    "b": 161
  },
  "hsl": {
    "h": 191.364,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58102,
    "c": 0.0974,
    "h": 218.2
  },
  "luminance": 0.20443
}

Semantic roles & 50–950 ramp

primary
#1D88A1
secondary
#C46A55
accent
#5D3CEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091012
muted
#7B7F81

Preview Lab

Preview with #1D88A1

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

Preview Lab → · Contrast checker → · Palette generator →

#1D88A1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva