#1C448D#1C448D

#1C448D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.3% C 0.130 H 261.2°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#1C448D
RGBrgb(28, 68, 141)
HSLhsl(219, 67%, 33%)
HSVhsv(219, 80%, 55%)
CMYKcmyk(80.1%, 51.8%, 0%, 44.7%)
CIE-LABlab(30.17, 14.05, -44.52)
CIE-LCHlch(30.17, 46.69, 287.51°)
OKLaboklab(40.27% -0.0198 -0.1281)
OKLCHoklch(40.27% 0.13 261.2)
XYZxyz(7.3520, 6.3034, 26.0233)
Luminance0.0630 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C448D #8D651C
analogous
#1C7C8D #1C448D #2C1C8D
triadic
#1C448D #8D1C44 #448D1C
tetradic
#1C448D #8D1C7C #8D651C #1C8D2C
square
#1C448D #8D1C7C #8D651C #1C8D2C
split-complementary
#1C448D #8D2C1C #7C8D1C
monochromatic
#081327 #122B5A #1C448D #265DC0 #497CDB

Accessibility & contrast

On white

9.29
#1C448D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#1C448D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C448D
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C448D#FFFFFF#000000##FFFFFF
##1C448D1.009.292.269.29
#FFFFFF9.291.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#164C90
Deuteranopia (green-blind)
#00428C
Tritanopia (blue-blind)
#005662
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1c448d;
/* rgb */ color: rgb(28, 68, 141);
/* oklch */ color: oklch(40.3% 0.130 261.2);
Tailwind
colors: {
  custom: {
    50: '#6b77af',
    500: '#1c448d',
    950: '#000000',
  },
}
SCSS
$custom: #1c448d;
$custom-light: #6b77af;
$custom-dark: #000000;
JSON
{
  "hex": "#1c448d",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 141
  },
  "hsl": {
    "h": 218.761,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40267,
    "c": 0.12966,
    "h": 261.2
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary
#1C448D
secondary
#BD9348
accent
#AD3EEA
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F

Preview Lab

Preview with #1C448D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C448D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva