#1F8FAD#1F8FAD

#1F8FAD is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.4% C 0.103 H 221.2°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#1F8FAD
RGBrgb(31, 143, 173)
HSLhsl(193, 70%, 40%)
HSVhsv(193, 82%, 68%)
CMYKcmyk(82.1%, 17.3%, 0%, 32.2%)
CIE-LABlab(55.02, -19.38, -24.30)
CIE-LCHlch(55.02, 31.08, 231.42°)
OKLaboklab(60.43% -0.0778 -0.0681)
OKLCHoklch(60.43% 0.103 221.2)
XYZxyz(17.9272, 22.9511, 43.0122)
Luminance0.2295 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F8FAD #AD3D1F
analogous
#1FAD84 #1F8FAD #1F48AD
triadic
#1F8FAD #AD1F8F #8FAD1F
tetradic
#1F8FAD #841FAD #AD3D1F #48AD1F
square
#1F8FAD #841FAD #AD3D1F #48AD1F
split-complementary
#1F8FAD #AD1F48 #AD841F
monochromatic
#0C3945 #166479 #1F8FAD #2FB6DA #63C8E3

Accessibility & contrast

On white

3.76
#1F8FAD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.59
#1F8FAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8FAD
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F8FAD#FFFFFF#000000##000000
##1F8FAD1.003.765.595.59
#FFFFFF3.761.0021.0021.00
#0000005.5921.001.001.00
##0000005.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8BAF
Deuteranopia (green-blind)
#6B7EAD
Tritanopia (blue-blind)
#009999
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #1f8fad;
/* rgb */ color: rgb(31, 143, 173);
/* oklch */ color: oklch(60.4% 0.103 221.2);
Tailwind
colors: {
  custom: {
    50: '#74b0c5',
    500: '#1f8fad',
    950: '#000000',
  },
}
SCSS
$custom: #1f8fad;
$custom-light: #74b0c5;
$custom-dark: #000000;
JSON
{
  "hex": "#1f8fad",
  "rgb": {
    "r": 31,
    "g": 143,
    "b": 173
  },
  "hsl": {
    "h": 192.676,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.60432,
    "c": 0.10342,
    "h": 221.2
  },
  "luminance": 0.22953
}

Semantic roles & 50–950 ramp

primary
#1F8FAD
secondary
#C87660
accent
#613BEC
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #1F8FAD

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

Preview Lab → · Contrast checker → · Palette generator →

#1F8FAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva