#1F8299#1F8299

#1F8299 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.3% C 0.092 H 217.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#1F8299
RGBrgb(31, 130, 153)
HSLhsl(191, 66%, 36%)
HSVhsv(191, 80%, 60%)
CMYKcmyk(79.7%, 15%, 0%, 40%)
CIE-LABlab(50.16, -19.28, -20.21)
CIE-LCHlch(50.16, 27.94, 226.35°)
OKLaboklab(56.26% -0.0732 -0.0565)
OKLCHoklch(56.26% 0.092 217.7)
XYZxyz(14.2950, 18.5547, 32.9588)
Luminance0.1856 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F8299 #99361F
analogous
#1F9973 #1F8299 #1F4599
triadic
#1F8299 #991F82 #82991F
tetradic
#1F8299 #731F99 #99361F #45991F
square
#1F8299 #731F99 #99361F #45991F
split-complementary
#1F8299 #991F45 #99731F
monochromatic
#0A2C33 #155766 #1F8299 #29ADCC #56C3DD

Accessibility & contrast

On white

4.46
#1F8299 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.71
#1F8299 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8299
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F8299#FFFFFF#000000##000000
##1F82991.004.464.714.71
#FFFFFF4.461.0021.0021.00
#0000004.7121.001.001.00
##0000004.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#737E9A
Deuteranopia (green-blind)
#637299
Tritanopia (blue-blind)
#008A89
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #1f8299;
/* rgb */ color: rgb(31, 130, 153);
/* oklch */ color: oklch(56.3% 0.092 217.7);
Tailwind
colors: {
  custom: {
    50: '#70a6b7',
    500: '#1f8299',
    950: '#000000',
  },
}
SCSS
$custom: #1f8299;
$custom-light: #70a6b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1f8299",
  "rgb": {
    "r": 31,
    "g": 130,
    "b": 153
  },
  "hsl": {
    "h": 191.311,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.56261,
    "c": 0.09245,
    "h": 217.7
  },
  "luminance": 0.18556
}

Semantic roles & 50–950 ramp

primary
#1F8299
secondary
#C06854
accent
#5F3FE9
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #1F8299

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

Preview Lab → · Contrast checker → · Palette generator →

#1F8299 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva