#1F567B#1F567B

#1F567B is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.5% C 0.084 H 241.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#1F567B
RGBrgb(31, 86, 123)
HSLhsl(204, 60%, 30%)
HSVhsv(204, 75%, 48%)
CMYKcmyk(74.8%, 30.1%, 0%, 51.8%)
CIE-LABlab(34.75, -4.63, -26.10)
CIE-LCHlch(34.75, 26.51, 259.95°)
OKLaboklab(43.51% -0.0393 -0.0738)
OKLCHoklch(43.51% 0.084 241.9)
XYZxyz(7.4666, 8.3761, 19.9583)
Luminance0.0838 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F567B #7B441F
analogous
#1F7B72 #1F567B #1F287B
triadic
#1F567B #7B1F56 #567B1F
tetradic
#1F567B #721F7B #7B441F #287B1F
square
#1F567B #721F7B #7B441F #287B1F
split-complementary
#1F567B #7B1F28 #7B721F
monochromatic
#061219 #13344A #1F567B #2B78AC #4498D0

Accessibility & contrast

On white

7.85
#1F567B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#1F567B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F567B
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F567B#FFFFFF#000000##FFFFFF
##1F567B1.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45577D
Deuteranopia (green-blind)
#384E7A
Tritanopia (blue-blind)
#005F63
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #1f567b;
/* rgb */ color: rgb(31, 86, 123);
/* oklch */ color: oklch(43.5% 0.084 241.9);
Tailwind
colors: {
  custom: {
    50: '#6885a1',
    500: '#1f567b',
    950: '#000000',
  },
}
SCSS
$custom: #1f567b;
$custom-light: #6885a1;
$custom-dark: #000000;
JSON
{
  "hex": "#1f567b",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 123
  },
  "hsl": {
    "h": 204.13,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.43512,
    "c": 0.0836,
    "h": 241.9
  },
  "luminance": 0.08377
}

Semantic roles & 50–950 ramp

primary
#1F567B
secondary
#AE7148
accent
#8445E3
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0F
muted
#7A7C7E

Preview Lab

Preview with #1F567B

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

Preview Lab → · Contrast checker → · Palette generator →

#1F567B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva