#1A90B4#1A90B4

#1A90B4 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.110 H 224.9°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#1A90B4
RGBrgb(26, 144, 180)
HSLhsl(194, 75%, 40%)
HSVhsv(194, 86%, 71%)
CMYKcmyk(85.6%, 20%, 0%, 29.4%)
CIE-LABlab(55.54, -17.91, -27.50)
CIE-LCHlch(55.54, 32.81, 236.93°)
OKLaboklab(60.92% -0.0776 -0.0773)
OKLCHoklch(60.92% 0.11 224.9)
XYZxyz(18.6340, 23.4590, 46.7171)
Luminance0.2346 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A90B4 #B43E1A
analogous
#1AB48B #1A90B4 #1A43B4
triadic
#1A90B4 #B41A90 #90B41A
tetradic
#1A90B4 #8B1AB4 #B43E1A #43B41A
square
#1A90B4 #8B1AB4 #B43E1A #43B41A
split-complementary
#1A90B4 #B41A43 #B48B1A
monochromatic
#0B3A49 #12657F #1A90B4 #2BB6E0 #60C8E8

Accessibility & contrast

On white

3.69
#1A90B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.69
#1A90B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1A90B4
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A90B4#FFFFFF#000000##000000
##1A90B41.003.695.695.69
#FFFFFF3.691.0021.0021.00
#0000005.6921.001.001.00
##0000005.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8DB6
Deuteranopia (green-blind)
#687FB4
Tritanopia (blue-blind)
#009B9C
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #1a90b4;
/* rgb */ color: rgb(26, 144, 180);
/* oklch */ color: oklch(60.9% 0.110 224.9);
Tailwind
colors: {
  custom: {
    50: '#75b0ca',
    500: '#1a90b4',
    950: '#000000',
  },
}
SCSS
$custom: #1a90b4;
$custom-light: #75b0ca;
$custom-dark: #000000;
JSON
{
  "hex": "#1a90b4",
  "rgb": {
    "r": 26,
    "g": 144,
    "b": 180
  },
  "hsl": {
    "h": 194.026,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60923,
    "c": 0.1095,
    "h": 224.9
  },
  "luminance": 0.23461
}

Semantic roles & 50–950 ramp

primary
#1A90B4
secondary
#CC775D
accent
#6236F1
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #1A90B4

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

Preview Lab → · Contrast checker → · Palette generator →

#1A90B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva