#1C1569#1C1569

#1C1569 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.138 H 276.1°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX#1C1569
RGBrgb(28, 21, 105)
HSLhsl(245, 67%, 25%)
HSVhsv(245, 80%, 41%)
CMYKcmyk(73.3%, 80%, 0%, 58.8%)
CIE-LABlab(14.42, 31.94, -47.38)
CIE-LCHlch(14.42, 57.14, 303.99°)
OKLaboklab(27.61% 0.0147 -0.1369)
OKLCHoklch(27.61% 0.138 276.1)
XYZxyz(3.2960, 1.8028, 13.5361)
Luminance0.0180 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1569 #626915
analogous
#153869 #1C1569 #461569
triadic
#1C1569 #691C15 #15691C
tetradic
#1C1569 #691538 #626915 #156946
square
#1C1569 #691538 #626915 #156946
split-complementary
#1C1569 #694615 #386915
monochromatic
#07051A #0E0B36 #1C1569 #2A1F9C #3729CF

Accessibility & contrast

On white

15.43
#1C1569 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#1C1569 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1569
15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1569#FFFFFF#000000##FFFFFF
##1C15691.0015.431.3615.43
#FFFFFF15.431.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00286B
Deuteranopia (green-blind)
#002168
Tritanopia (blue-blind)
#002E3E
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #1c1569;
/* rgb */ color: rgb(28, 21, 105);
/* oklch */ color: oklch(27.6% 0.138 276.1);
Tailwind
colors: {
  custom: {
    50: '#665495',
    500: '#1c1569',
    950: '#000000',
  },
}
SCSS
$custom: #1c1569;
$custom-light: #665495;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1569",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 105
  },
  "hsl": {
    "h": 245,
    "s": 66.667,
    "l": 24.706
  },
  "oklch": {
    "l": 0.27611,
    "c": 0.13773,
    "h": 276.1
  },
  "luminance": 0.01803
}

Semantic roles & 50–950 ramp

primary
#1C1569
secondary
#97A03A
accent
#EA3EDB
background
#F6F4F9
surface
#EBE7F2
border
#C6C3CC
text
#07030D
muted
#7A787E

Preview Lab

Preview with #1C1569

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

Preview Lab → · Contrast checker → · Palette generator →

#1C1569 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva