#1C2153#1C2153

#1C2153 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.090 H 274.5°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX#1C2153
RGBrgb(28, 33, 83)
HSLhsl(235, 50%, 22%)
HSVhsv(235, 66%, 33%)
CMYKcmyk(66.3%, 60.2%, 0%, 67.5%)
CIE-LABlab(15.27, 15.55, -31.31)
CIE-LCHlch(15.27, 34.96, 296.42°)
OKLaboklab(27.57% 0.0071 -0.0898)
OKLCHoklch(27.57% 0.09 274.5)
XYZxyz(2.5836, 1.9589, 8.4239)
Luminance0.0196 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C2153 #534E1C
analogous
#1C3D53 #1C2153 #331C53
triadic
#1C2153 #531C21 #21531C
tetradic
#1C2153 #531C3D #534E1C #1C5333
square
#1C2153 #531C3D #534E1C #1C5333
split-complementary
#1C2153 #53331C #3D531C
monochromatic
#080917 #0D0F25 #1C2153 #2B3381 #3B45AF

Accessibility & contrast

On white

15.09
#1C2153 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.39
#1C2153 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2153
15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C2153#FFFFFF#000000##FFFFFF
##1C21531.0015.091.3915.09
#FFFFFF15.091.0021.001.00
#0000001.3921.001.0021.00
##FFFFFF15.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002955
Deuteranopia (green-blind)
#002452
Tritanopia (blue-blind)
#002D36
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #1c2153;
/* rgb */ color: rgb(28, 33, 83);
/* oklch */ color: oklch(27.6% 0.090 274.5);
Tailwind
colors: {
  custom: {
    50: '#5f5c84',
    500: '#1c2153',
    950: '#000000',
  },
}
SCSS
$custom: #1c2153;
$custom-light: #5f5c84;
$custom-dark: #000000;
JSON
{
  "hex": "#1c2153",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 83
  },
  "hsl": {
    "h": 234.545,
    "s": 49.55,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27566,
    "c": 0.09013,
    "h": 274.5
  },
  "luminance": 0.01959
}

Semantic roles & 50–950 ramp

primary
#1C2153
secondary
#898242
accent
#CD4FD9
background
#F5F5F8
surface
#EAE9EF
border
#C6C5CA
text
#05040B
muted
#79797C

Preview Lab

Preview with #1C2153

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

Preview Lab → · Contrast checker → · Palette generator →

#1C2153 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva