#1C3D7D#1C3D7D

#1C3D7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.4% C 0.116 H 262.0°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX#1C3D7D
RGBrgb(28, 61, 125)
HSLhsl(220, 63%, 30%)
HSVhsv(220, 78%, 49%)
CMYKcmyk(77.6%, 51.2%, 0%, 51%)
CIE-LABlab(26.92, 12.40, -39.82)
CIE-LCHlch(26.92, 41.71, 287.30°)
OKLaboklab(37.41% -0.0162 -0.1144)
OKLCHoklch(37.41% 0.116 262)
XYZxyz(5.8480, 5.0644, 20.0674)
Luminance0.0507 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3D7D #7D5C1C
analogous
#1C6D7D #1C3D7D #2C1C7D
triadic
#1C3D7D #7D1C3D #3D7D1C
tetradic
#1C3D7D #7D1C6D #7D5C1C #1C7D2C
square
#1C3D7D #7D1C6D #7D5C1C #1C7D2C
split-complementary
#1C3D7D #7D2C1C #6D7D1C
monochromatic
#060C19 #11254B #1C3D7D #2755AF #3F72D4

Accessibility & contrast

On white

10.43
#1C3D7D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.01
#1C3D7D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3D7D
10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3D7D#FFFFFF#000000##FFFFFF
##1C3D7D1.0010.432.0110.43
#FFFFFF10.431.0021.001.00
#0000002.0121.001.0021.00
##FFFFFF10.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#18447F
Deuteranopia (green-blind)
#003B7C
Tritanopia (blue-blind)
#004C57
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #1c3d7d;
/* rgb */ color: rgb(28, 61, 125);
/* oklch */ color: oklch(37.4% 0.116 262.0);
Tailwind
colors: {
  custom: {
    50: '#6772a3',
    500: '#1c3d7d',
    950: '#000000',
  },
}
SCSS
$custom: #1c3d7d;
$custom-light: #6772a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3d7d",
  "rgb": {
    "r": 28,
    "g": 61,
    "b": 125
  },
  "hsl": {
    "h": 219.588,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.37414,
    "c": 0.11557,
    "h": 262
  },
  "luminance": 0.05065
}

Semantic roles & 50–950 ramp

primary
#1C3D7D
secondary
#B18C44
accent
#AE41E6
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #1C3D7D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3D7D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva