#1F647E#1F647E

#1F647E is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.079 H 227.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#1F647E
RGBrgb(31, 100, 126)
HSLhsl(196, 61%, 31%)
HSVhsv(196, 75%, 49%)
CMYKcmyk(75.4%, 20.6%, 0%, 50.6%)
CIE-LABlab(39.43, -11.99, -20.66)
CIE-LCHlch(39.43, 23.89, 239.88°)
OKLaboklab(47.28% -0.0532 -0.0579)
OKLCHoklch(47.28% 0.079 227.5)
XYZxyz(8.8866, 10.9110, 21.3723)
Luminance0.1091 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F647E #7E391F
analogous
#1F7E68 #1F647E #1F347E
triadic
#1F647E #7E1F64 #647E1F
tetradic
#1F647E #681F7E #7E391F #347E1F
square
#1F647E #681F7E #7E391F #347E1F
split-complementary
#1F647E #7E1F34 #7E681F
monochromatic
#07161C #133D4D #1F647E #2B8BAF #46ABD1

Accessibility & contrast

On white

6.60
#1F647E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#1F647E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F647E
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F647E#FFFFFF#000000##FFFFFF
##1F647E1.006.603.186.60
#FFFFFF6.601.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56627F
Deuteranopia (green-blind)
#49597E
Tritanopia (blue-blind)
#006B6D
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1f647e;
/* rgb */ color: rgb(31, 100, 126);
/* oklch */ color: oklch(47.3% 0.079 227.5);
Tailwind
colors: {
  custom: {
    50: '#6990a3',
    500: '#1f647e',
    950: '#000000',
  },
}
SCSS
$custom: #1f647e;
$custom-light: #6990a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1f647e",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 126
  },
  "hsl": {
    "h": 196.421,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4728,
    "c": 0.07865,
    "h": 227.5
  },
  "luminance": 0.10912
}

Semantic roles & 50–950 ramp

primary
#1F647E
secondary
#B16548
accent
#7044E4
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1F647E

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

Preview Lab → · Contrast checker → · Palette generator →

#1F647E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva