#1C447F#1C447F

#1C447F is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.109 H 258.3°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX#1C447F
RGBrgb(28, 68, 127)
HSLhsl(216, 64%, 30%)
HSVhsv(216, 78%, 50%)
CMYKcmyk(78%, 46.5%, 0%, 50.2%)
CIE-LABlab(29.19, 8.37, -37.42)
CIE-LCHlch(29.19, 38.34, 282.60°)
OKLaboklab(39.21% -0.0222 -0.1072)
OKLCHoklch(39.21% 0.109 258.3)
XYZxyz(6.3754, 5.9127, 20.8798)
Luminance0.0591 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C447F #7F571C
analogous
#1C757F #1C447F #261C7F
triadic
#1C447F #7F1C44 #447F1C
tetradic
#1C447F #7F1C75 #7F571C #1C7F26
square
#1C447F #7F1C75 #7F571C #1C7F26
split-complementary
#1C447F #7F261C #757F1C
monochromatic
#060E1B #11294D #1C447F #275FB1 #407CD5

Accessibility & contrast

On white

9.62
#1C447F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#1C447F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447F
9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C447F#FFFFFF#000000##FFFFFF
##1C447F1.009.622.189.62
#FFFFFF9.621.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#264A81
Deuteranopia (green-blind)
#11417E
Tritanopia (blue-blind)
#00525B
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1c447f;
/* rgb */ color: rgb(28, 68, 127);
/* oklch */ color: oklch(39.2% 0.109 258.3);
Tailwind
colors: {
  custom: {
    50: '#6777a4',
    500: '#1c447f',
    950: '#000000',
  },
}
SCSS
$custom: #1c447f;
$custom-light: #6777a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c447f",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 127
  },
  "hsl": {
    "h": 215.758,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39206,
    "c": 0.10949,
    "h": 258.3
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary
#1C447F
secondary
#B38644
accent
#A441E7
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C447F

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

Preview Lab → · Contrast checker → · Palette generator →

#1C447F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva