#1C3E80#1C3E80

#1C3E80 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.119 H 261.9°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#1C3E80
RGBrgb(28, 62, 128)
HSLhsl(220, 64%, 31%)
HSVhsv(220, 78%, 50%)
CMYKcmyk(78.1%, 51.6%, 0%, 49.8%)
CIE-LABlab(27.44, 12.92, -40.87)
CIE-LCHlch(27.44, 42.86, 287.55°)
OKLaboklab(37.88% -0.0166 -0.1175)
OKLCHoklch(37.88% 0.119 261.9)
XYZxyz(6.0964, 5.2500, 21.1099)
Luminance0.0525 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3E80 #805E1C
analogous
#1C7080 #1C3E80 #2C1C80
triadic
#1C3E80 #801C3E #3E801C
tetradic
#1C3E80 #801C70 #805E1C #1C802C
square
#1C3E80 #801C70 #805E1C #1C802C
split-complementary
#1C3E80 #802C1C #70801C
monochromatic
#060D1C #11264E #1C3E80 #2756B2 #4173D5

Accessibility & contrast

On white

10.24
#1C3E80 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.05
#1C3E80 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E80
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3E80#FFFFFF#000000##FFFFFF
##1C3E801.0010.242.0510.24
#FFFFFF10.241.0021.001.00
#0000002.0521.001.0021.00
##FFFFFF10.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#164682
Deuteranopia (green-blind)
#003C7F
Tritanopia (blue-blind)
#004E59
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #1c3e80;
/* rgb */ color: rgb(28, 62, 128);
/* oklch */ color: oklch(37.9% 0.119 261.9);
Tailwind
colors: {
  custom: {
    50: '#6872a5',
    500: '#1c3e80',
    950: '#000000',
  },
}
SCSS
$custom: #1c3e80;
$custom-light: #6872a5;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3e80",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 219.6,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37879,
    "c": 0.11866,
    "h": 261.9
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary
#1C3E80
secondary
#B38E44
accent
#AF41E7
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C3E80

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3E80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva