#1C3D89#1C3D89

#1C3D89 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.133 H 263.6°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX#1C3D89
RGBrgb(28, 61, 137)
HSLhsl(222, 66%, 32%)
HSVhsv(222, 80%, 54%)
CMYKcmyk(79.6%, 55.5%, 0%, 46.3%)
CIE-LABlab(27.82, 17.28, -45.85)
CIE-LCHlch(27.82, 49.00, 290.65°)
OKLaboklab(38.39% -0.0147 -0.1322)
OKLCHoklch(38.39% 0.133 263.6)
XYZxyz(6.6614, 5.3897, 24.3513)
Luminance0.0539 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3D89 #89681C
analogous
#1C7489 #1C3D89 #321C89
triadic
#1C3D89 #891C3D #3D891C
tetradic
#1C3D89 #891C74 #89681C #1C8932
square
#1C3D89 #891C74 #89681C #1C8932
split-complementary
#1C3D89 #89321C #74891C
monochromatic
#071023 #122656 #1C3D89 #2654BC #4673D9

Accessibility & contrast

On white

10.10
#1C3D89 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.08
#1C3D89 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D89
10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3D89#FFFFFF#000000##FFFFFF
##1C3D891.0010.102.0810.10
#FFFFFF10.101.0021.001.00
#0000002.0821.001.0021.00
##FFFFFF10.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00478C
Deuteranopia (green-blind)
#003D88
Tritanopia (blue-blind)
#00505D
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #1c3d89;
/* rgb */ color: rgb(28, 61, 137);
/* oklch */ color: oklch(38.4% 0.133 263.6);
Tailwind
colors: {
  custom: {
    50: '#6a71ac',
    500: '#1c3d89',
    950: '#000000',
  },
}
SCSS
$custom: #1c3d89;
$custom-light: #6a71ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3d89",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 221.835,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38385,
    "c": 0.133,
    "h": 263.6
  },
  "luminance": 0.05391
}

Semantic roles & 50–950 ramp

primary
#1C3D89
secondary
#BB9746
accent
#B53FE9
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#080710
muted
#7A7A7F

Preview Lab

Preview with #1C3D89

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3D89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva