#1F657E#1F657E

#1F657E is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.078 H 226.2°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX#1F657E
RGBrgb(31, 101, 126)
HSLhsl(196, 61%, 31%)
HSVhsv(196, 75%, 49%)
CMYKcmyk(75.4%, 19.8%, 0%, 50.6%)
CIE-LABlab(39.76, -12.57, -20.16)
CIE-LCHlch(39.76, 23.76, 238.06°)
OKLaboklab(47.54% -0.0542 -0.0565)
OKLCHoklch(47.54% 0.078 226.2)
XYZxyz(8.9831, 11.1040, 21.4045)
Luminance0.1110 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F657E #7E381F
analogous
#1F7E67 #1F657E #1F367E
triadic
#1F657E #7E1F65 #657E1F
tetradic
#1F657E #671F7E #7E381F #367E1F
square
#1F657E #671F7E #7E381F #367E1F
split-complementary
#1F657E #7E1F36 #7E671F
monochromatic
#07161C #133E4D #1F657E #2B8CAF #46ADD1

Accessibility & contrast

On white

6.52
#1F657E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.22
#1F657E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F657E
6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F657E#FFFFFF#000000##FFFFFF
##1F657E1.006.523.226.52
#FFFFFF6.521.0021.001.00
#0000003.2221.001.0021.00
##FFFFFF6.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#57637F
Deuteranopia (green-blind)
#4B5A7E
Tritanopia (blue-blind)
#006C6D
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #1f657e;
/* rgb */ color: rgb(31, 101, 126);
/* oklch */ color: oklch(47.5% 0.078 226.2);
Tailwind
colors: {
  custom: {
    50: '#6991a3',
    500: '#1f657e',
    950: '#000000',
  },
}
SCSS
$custom: #1f657e;
$custom-light: #6991a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1f657e",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 195.789,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4754,
    "c": 0.07833,
    "h": 226.2
  },
  "luminance": 0.11105
}

Semantic roles & 50–950 ramp

primary
#1F657E
secondary
#B16348
accent
#6E44E4
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #1F657E

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

Preview Lab → · Contrast checker → · Palette generator →

#1F657E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva