#1C1D91#1C1D91

#1C1D91 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.181 H 270.7°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX#1C1D91
RGBrgb(28, 29, 145)
HSLhsl(239, 68%, 34%)
HSVhsv(239, 81%, 57%)
CMYKcmyk(80.7%, 80%, 0%, 43.1%)
CIE-LABlab(20.71, 41.16, -62.48)
CIE-LCHlch(20.71, 74.82, 303.38°)
OKLaboklab(33.42% 0.0023 -0.1809)
OKLCHoklch(33.42% 0.181 270.7)
XYZxyz(6.0274, 3.1693, 27.0766)
Luminance0.0317 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C1D91 #91901C
analogous
#1C5891 #1C1D91 #561C91
triadic
#1C1D91 #911C1D #1D911C
tetradic
#1C1D91 #911C58 #91901C #1C9156
square
#1C1D91 #911C58 #91901C #1C9156
split-complementary
#1C1D91 #91561C #58911C
monochromatic
#08082A #12135E #1C1D91 #2627C4 #4B4CDC

Accessibility & contrast

On white

12.85
#1C1D91 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.63
#1C1D91 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D91
12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C1D91#FFFFFF#000000##FFFFFF
##1C1D911.0012.851.6312.85
#FFFFFF12.851.0021.001.00
#0000001.6321.001.0021.00
##FFFFFF12.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003894
Deuteranopia (green-blind)
#002C8F
Tritanopia (blue-blind)
#004157
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #1c1d91;
/* rgb */ color: rgb(28, 29, 145);
/* oklch */ color: oklch(33.4% 0.181 270.7);
Tailwind
colors: {
  custom: {
    50: '#6f5bb3',
    500: '#1c1d91',
    950: '#000000',
  },
}
SCSS
$custom: #1c1d91;
$custom-light: #6f5bb3;
$custom-dark: #000000;
JSON
{
  "hex": "#1c1d91",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 145
  },
  "hsl": {
    "h": 239.487,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33417,
    "c": 0.18092,
    "h": 270.7
  },
  "luminance": 0.0317
}

Semantic roles & 50–950 ramp

primary
#1C1D91
secondary
#BEBD4A
accent
#E93DEB
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980

Preview Lab

Preview with #1C1D91

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

Preview Lab → · Contrast checker → · Palette generator →

#1C1D91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva