#1D547F#1D547F

#1D547F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.091 H 246.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#1D547F
RGBrgb(29, 84, 127)
HSLhsl(206, 63%, 31%)
HSVhsv(206, 77%, 50%)
CMYKcmyk(77.2%, 33.9%, 0%, 50.2%)
CIE-LABlab(34.26, -2.11, -29.35)
CIE-LCHlch(34.26, 29.43, 265.88°)
OKLaboklab(43.17% -0.0371 -0.0833)
OKLCHoklch(43.17% 0.091 246)
XYZxyz(7.5063, 8.1333, 21.2488)
Luminance0.0813 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D547F #7F481D
analogous
#1D7F79 #1D547F #1D237F
triadic
#1D547F #7F1D54 #547F1D
tetradic
#1D547F #791D7F #7F481D #237F1D
square
#1D547F #791D7F #7F481D #237F1D
split-complementary
#1D547F #7F1D23 #7F791D
monochromatic
#06121B #12334D #1D547F #2875B1 #4294D4

Accessibility & contrast

On white

7.99
#1D547F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#1D547F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D547F
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D547F#FFFFFF#000000##FFFFFF
##1D547F1.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#405681
Deuteranopia (green-blind)
#324C7E
Tritanopia (blue-blind)
#005E63
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1d547f;
/* rgb */ color: rgb(29, 84, 127);
/* oklch */ color: oklch(43.2% 0.091 246.0);
Tailwind
colors: {
  custom: {
    50: '#6883a4',
    500: '#1d547f',
    950: '#000000',
  },
}
SCSS
$custom: #1d547f;
$custom-light: #6883a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1d547f",
  "rgb": {
    "r": 29,
    "g": 84,
    "b": 127
  },
  "hsl": {
    "h": 206.327,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.43172,
    "c": 0.0912,
    "h": 246
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary
#1D547F
secondary
#B27545
accent
#8A42E6
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1D547F

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

Preview Lab → · Contrast checker → · Palette generator →

#1D547F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva