#1F619F#1F619F

#1F619F is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.4% C 0.119 H 250.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#1F619F
RGBrgb(31, 97, 159)
HSLhsl(209, 67%, 37%)
HSVhsv(209, 81%, 62%)
CMYKcmyk(80.5%, 39%, 0%, 37.6%)
CIE-LABlab(40.15, 2.33, -39.40)
CIE-LCHlch(40.15, 39.47, 273.39°)
OKLaboklab(48.4% -0.0393 -0.1125)
OKLCHoklch(48.4% 0.119 250.7)
XYZxyz(11.0954, 11.3426, 34.3987)
Luminance0.1134 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F619F #9F5D1F
analogous
#1F9F9D #1F619F #1F219F
triadic
#1F619F #9F1F61 #619F1F
tetradic
#1F619F #9D1F9F #9F5D1F #219F1F
square
#1F619F #9D1F9F #9F5D1F #219F1F
split-complementary
#1F619F #9F1F21 #9F9D1F
monochromatic
#0B2339 #15426C #1F619F #2980D2 #5A9EDF

Accessibility & contrast

On white

6.42
#1F619F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.27
#1F619F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F619F
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F619F#FFFFFF#000000##FFFFFF
##1F619F1.006.423.276.42
#FFFFFF6.421.0021.001.00
#0000003.2721.001.0021.00
##FFFFFF6.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4365A2
Deuteranopia (green-blind)
#2F599E
Tritanopia (blue-blind)
#007078
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #1f619f;
/* rgb */ color: rgb(31, 97, 159);
/* oklch */ color: oklch(48.4% 0.119 250.7);
Tailwind
colors: {
  custom: {
    50: '#6f8dbc',
    500: '#1f619f',
    950: '#000000',
  },
}
SCSS
$custom: #1f619f;
$custom-light: #6f8dbc;
$custom-dark: #000000;
JSON
{
  "hex": "#1f619f",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 159
  },
  "hsl": {
    "h": 209.063,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48397,
    "c": 0.11914,
    "h": 250.7
  },
  "luminance": 0.11344
}

Semantic roles & 50–950 ramp

primary
#1F619F
secondary
#C38B57
accent
#913EEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C12
muted
#7B7D81

Preview Lab

Preview with #1F619F

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

Preview Lab → · Contrast checker → · Palette generator →

#1F619F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva