#1C1D64#1C1D64

#1C1D64 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.122 H 274.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX#1C1D64
RGBrgb(28, 29, 100)
HSLhsl(239, 56%, 25%)
HSVhsv(239, 72%, 39%)
CMYKcmyk(72%, 71%, 0%, 60.8%)
CIE-LABlab(15.72, 25.01, -41.93)
CIE-LCHlch(15.72, 48.82, 300.81°)
OKLaboklab(28.38% 0.0102 -0.1211)
OKLCHoklch(28.38% 0.122 274.8)
XYZxyz(3.2177, 2.0454, 12.2794)
Luminance0.0205 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1D64 #64631C
analogous
#1C4164 #1C1D64 #3F1C64
triadic
#1C1D64 #641C1D #1D641C
tetradic
#1C1D64 #641C41 #64631C #1C643F
square
#1C1D64 #641C41 #64631C #1C643F
split-complementary
#1C1D64 #643F1C #41641C
monochromatic
#070718 #0F0F34 #1C1D64 #292B94 #3739C4

Accessibility & contrast

On white

14.90
#1C1D64 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.41
#1C1D64 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D64
14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1D64#FFFFFF#000000##FFFFFF
##1C1D641.0014.901.4114.90
#FFFFFF14.901.0021.001.00
#0000001.4121.001.0021.00
##FFFFFF14.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002A66
Deuteranopia (green-blind)
#002463
Tritanopia (blue-blind)
#00303D
Achromatopsia (no color)
#272727

Design tokens & code

CSS
--color: #1c1d64;
/* rgb */ color: rgb(28, 29, 100);
/* oklch */ color: oklch(28.4% 0.122 274.8);
Tailwind
colors: {
  custom: {
    50: '#635991',
    500: '#1c1d64',
    950: '#000000',
  },
}
SCSS
$custom: #1c1d64;
$custom-light: #635991;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1d64",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 239.167,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28383,
    "c": 0.12151,
    "h": 274.8
  },
  "luminance": 0.02046
}

Semantic roles & 50–950 ramp

primary
#1C1D64
secondary
#999843
accent
#DD48E0
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E

Preview Lab

Preview with #1C1D64

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

Preview Lab → · Contrast checker → · Palette generator →

#1C1D64 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva