#1C3E81#1C3E81

#1C3E81 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.0% C 0.120 H 262.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX#1C3E81
RGBrgb(28, 62, 129)
HSLhsl(220, 64%, 31%)
HSVhsv(220, 78%, 51%)
CMYKcmyk(78.3%, 51.9%, 0%, 49.4%)
CIE-LABlab(27.51, 13.33, -41.37)
CIE-LCHlch(27.51, 43.47, 287.86°)
OKLaboklab(37.96% -0.0165 -0.119)
OKLCHoklch(37.96% 0.12 262.1)
XYZxyz(6.1625, 5.2764, 21.4583)
Luminance0.0528 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C3E81 #815F1C
analogous
#1C7081 #1C3E81 #2C1C81
triadic
#1C3E81 #811C3E #3E811C
tetradic
#1C3E81 #811C70 #815F1C #1C812C
square
#1C3E81 #811C70 #815F1C #1C812C
split-complementary
#1C3E81 #812C1C #70811C
monochromatic
#060E1C #11264F #1C3E81 #2756B3 #4273D6

Accessibility & contrast

On white

10.22
#1C3E81 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#1C3E81 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3E81
10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C3E81#FFFFFF#000000##FFFFFF
##1C3E811.0010.222.0610.22
#FFFFFF10.221.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#154683
Deuteranopia (green-blind)
#003D80
Tritanopia (blue-blind)
#004E59
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #1c3e81;
/* rgb */ color: rgb(28, 62, 129);
/* oklch */ color: oklch(38.0% 0.120 262.1);
Tailwind
colors: {
  custom: {
    50: '#6872a6',
    500: '#1c3e81',
    950: '#000000',
  },
}
SCSS
$custom: #1c3e81;
$custom-light: #6872a6;
$custom-dark: #000000;
JSON
{
  "hex": "#1c3e81",
  "rgb": {
    "r": 28,
    "g": 62,
    "b": 129
  },
  "hsl": {
    "h": 219.802,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.37958,
    "c": 0.12012,
    "h": 262.1
  },
  "luminance": 0.05277
}

Semantic roles & 50–950 ramp

primary
#1C3E81
secondary
#B48F44
accent
#AF40E7
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C3E81

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

Preview Lab → · Contrast checker → · Palette generator →

#1C3E81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva