#1F90AE#1F90AE

#1F90AE is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.7% C 0.104 H 221.0°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#1F90AE
RGBrgb(31, 144, 174)
HSLhsl(193, 70%, 40%)
HSVhsv(193, 82%, 68%)
CMYKcmyk(82.2%, 17.2%, 0%, 31.8%)
CIE-LABlab(55.37, -19.58, -24.33)
CIE-LCHlch(55.37, 31.23, 231.18°)
OKLaboklab(60.73% -0.0784 -0.0682)
OKLCHoklch(60.73% 0.104 221)
XYZxyz(18.1751, 23.2915, 43.5740)
Luminance0.2329 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F90AE #AE3D1F
analogous
#1FAE84 #1F90AE #1F49AE
triadic
#1F90AE #AE1F90 #90AE1F
tetradic
#1F90AE #841FAE #AE3D1F #49AE1F
square
#1F90AE #841FAE #AE3D1F #49AE1F
split-complementary
#1F90AE #AE1F49 #AE841F
monochromatic
#0C3A46 #16657A #1F90AE #30B6DA #64C9E3

Accessibility & contrast

On white

3.71
#1F90AE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#1F90AE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F90AE
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F90AE#FFFFFF#000000##000000
##1F90AE1.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E8CB0
Deuteranopia (green-blind)
#6C7FAE
Tritanopia (blue-blind)
#009A9A
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #1f90ae;
/* rgb */ color: rgb(31, 144, 174);
/* oklch */ color: oklch(60.7% 0.104 221.0);
Tailwind
colors: {
  custom: {
    50: '#75b0c6',
    500: '#1f90ae',
    950: '#000000',
  },
}
SCSS
$custom: #1f90ae;
$custom-light: #75b0c6;
$custom-dark: #000000;
JSON
{
  "hex": "#1f90ae",
  "rgb": {
    "r": 31,
    "g": 144,
    "b": 174
  },
  "hsl": {
    "h": 192.587,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60726,
    "c": 0.1039,
    "h": 221
  },
  "luminance": 0.23294
}

Semantic roles & 50–950 ramp

primary
#1F90AE
secondary
#C87660
accent
#603BED
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #1F90AE

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

Preview Lab → · Contrast checker → · Palette generator →

#1F90AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva