#1A9AB4#1A9AB4

#1A9AB4 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.108 H 216.2°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX#1A9AB4
RGBrgb(26, 154, 180)
HSLhsl(190, 75%, 40%)
HSVhsv(190, 86%, 71%)
CMYKcmyk(85.6%, 14.4%, 0%, 29.4%)
CIE-LABlab(58.62, -23.19, -22.75)
CIE-LCHlch(58.62, 32.49, 224.45°)
OKLaboklab(63.4% -0.0869 -0.0636)
OKLCHoklch(63.4% 0.108 216.2)
XYZxyz(20.2163, 26.6235, 47.2445)
Luminance0.2663 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A9AB4 #B4341A
analogous
#1AB481 #1A9AB4 #1A4DB4
triadic
#1A9AB4 #B41A9A #9AB41A
tetradic
#1A9AB4 #811AB4 #B4341A #4DB41A
square
#1A9AB4 #811AB4 #B4341A #4DB41A
split-complementary
#1A9AB4 #B41A4D #B4811A
monochromatic
#0B3E49 #126C7F #1A9AB4 #2BC2E0 #60D1E8

Accessibility & contrast

On white

3.32
#1A9AB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.33
#1A9AB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A9AB4
6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A9AB4#FFFFFF#000000##000000
##1A9AB41.003.326.336.33
#FFFFFF3.321.0021.0021.00
#0000006.3321.001.001.00
##0000006.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#8995B5
Deuteranopia (green-blind)
#7587B4
Tritanopia (blue-blind)
#00A3A2
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #1a9ab4;
/* rgb */ color: rgb(26, 154, 180);
/* oklch */ color: oklch(63.4% 0.108 216.2);
Tailwind
colors: {
  custom: {
    50: '#76b8ca',
    500: '#1a9ab4',
    950: '#000000',
  },
}
SCSS
$custom: #1a9ab4;
$custom-light: #76b8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#1a9ab4",
  "rgb": {
    "r": 26,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 190.13,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63402,
    "c": 0.10775,
    "h": 216.2
  },
  "luminance": 0.26626
}

Semantic roles & 50–950 ramp

primary
#1A9AB4
secondary
#CC705D
accent
#5636F1
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #1A9AB4

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

Preview Lab → · Contrast checker → · Palette generator →

#1A9AB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva