#1F647D#1F647D

#1F647D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.078 H 226.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#1F647D
RGBrgb(31, 100, 125)
HSLhsl(196, 60%, 31%)
HSVhsv(196, 75%, 49%)
CMYKcmyk(75.2%, 20%, 0%, 51%)
CIE-LABlab(39.39, -12.35, -20.12)
CIE-LCHlch(39.39, 23.61, 238.47°)
OKLaboklab(47.23% -0.0536 -0.0564)
OKLCHoklch(47.23% 0.078 226.5)
XYZxyz(8.8224, 10.8853, 21.0342)
Luminance0.1089 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F647D #7D381F
analogous
#1F7D67 #1F647D #1F357D
triadic
#1F647D #7D1F64 #647D1F
tetradic
#1F647D #671F7D #7D381F #357D1F
square
#1F647D #671F7D #7D381F #357D1F
split-complementary
#1F647D #7D1F35 #7D671F
monochromatic
#07161B #133D4C #1F647D #2B8BAE #45ACD1

Accessibility & contrast

On white

6.61
#1F647D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#1F647D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F647D
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F647D#FFFFFF#000000##FFFFFF
##1F647D1.006.613.186.61
#FFFFFF6.611.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57627E
Deuteranopia (green-blind)
#4A597D
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #1f647d;
/* rgb */ color: rgb(31, 100, 125);
/* oklch */ color: oklch(47.2% 0.078 226.5);
Tailwind
colors: {
  custom: {
    50: '#6990a2',
    500: '#1f647d',
    950: '#000000',
  },
}
SCSS
$custom: #1f647d;
$custom-light: #6990a2;
$custom-dark: #000000;
JSON
{
  "hex": "#1f647d",
  "rgb": {
    "r": 31,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 195.957,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.47231,
    "c": 0.07779,
    "h": 226.5
  },
  "luminance": 0.10886
}

Semantic roles & 50–950 ramp

primary
#1F647D
secondary
#B06348
accent
#6F44E3
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1F647D

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

Preview Lab → · Contrast checker → · Palette generator →

#1F647D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva