#1C4EA9#1C4EA9

#1C4EA9 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.7% C 0.156 H 261.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX#1C4EA9
RGBrgb(28, 78, 169)
HSLhsl(219, 72%, 39%)
HSVhsv(219, 83%, 66%)
CMYKcmyk(83.4%, 53.8%, 0%, 33.7%)
CIE-LABlab(35.12, 18.51, -53.45)
CIE-LCHlch(35.12, 56.56, 289.10°)
OKLaboklab(44.7% -0.0239 -0.1542)
OKLCHoklch(44.7% 0.156 261.2)
XYZxyz(10.3621, 8.5590, 38.6343)
Luminance0.0856 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C4EA9 #A9771C
analogous
#1C94A9 #1C4EA9 #301CA9
triadic
#1C4EA9 #A91C4E #4EA91C
tetradic
#1C4EA9 #A91C94 #A9771C #1CA930
square
#1C4EA9 #A91C94 #A9771C #1CA930
split-complementary
#1C4EA9 #A9301C #94A91C
monochromatic
#0B1E40 #133674 #1C4EA9 #2767DB #5B8CE4

Accessibility & contrast

On white

7.74
#1C4EA9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#1C4EA9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4EA9
7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C4EA9#FFFFFF#000000##FFFFFF
##1C4EA91.007.742.717.74
#FFFFFF7.741.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0259AC
Deuteranopia (green-blind)
#004DA7
Tritanopia (blue-blind)
#006474
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #1c4ea9;
/* rgb */ color: rgb(28, 78, 169);
/* oklch */ color: oklch(44.7% 0.156 261.2);
Tailwind
colors: {
  custom: {
    50: '#727ec3',
    500: '#1c4ea9',
    950: '#000000',
  },
}
SCSS
$custom: #1c4ea9;
$custom-light: #727ec3;
$custom-dark: #000000;
JSON
{
  "hex": "#1c4ea9",
  "rgb": {
    "r": 28,
    "g": 78,
    "b": 169
  },
  "hsl": {
    "h": 218.723,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.44699,
    "c": 0.15603,
    "h": 261.2
  },
  "luminance": 0.0856
}

Semantic roles & 50–950 ramp

primary
#1C4EA9
secondary
#C8A159
accent
#AE39EE
background
#F7F7FC
surface
#EDEEF8
border
#C8C9D1
text
#090913
muted
#7B7B82

Preview Lab

Preview with #1C4EA9

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

Preview Lab → · Contrast checker → · Palette generator →

#1C4EA9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva