#1B1669#1B1669

#1B1669 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.137 H 275.3°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX#1B1669
RGBrgb(27, 22, 105)
HSLhsl(244, 65%, 25%)
HSVhsv(244, 79%, 41%)
CMYKcmyk(74.3%, 79%, 0%, 58.8%)
CIE-LABlab(14.55, 31.24, -47.16)
CIE-LCHlch(14.55, 56.57, 303.52°)
OKLaboklab(27.68% 0.0127 -0.1363)
OKLCHoklch(27.68% 0.137 275.3)
XYZxyz(3.2879, 1.8264, 13.5411)
Luminance0.0183 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B1669 #646916
analogous
#163B69 #1B1669 #441669
triadic
#1B1669 #691B16 #16691B
tetradic
#1B1669 #69163B #646916 #166944
square
#1B1669 #69163B #646916 #166944
split-complementary
#1B1669 #694416 #3B6916
monochromatic
#070519 #0E0B36 #1B1669 #28219C #352BCE

Accessibility & contrast

On white

15.38
#1B1669 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.37
#1B1669 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1669
15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B1669#FFFFFF#000000##FFFFFF
##1B16691.0015.381.3715.38
#FFFFFF15.381.0021.001.00
#0000001.3721.001.0021.00
##FFFFFF15.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00286B
Deuteranopia (green-blind)
#002168
Tritanopia (blue-blind)
#002E3E
Achromatopsia (no color)
#252525

Design tokens & code

CSS
--color: #1b1669;
/* rgb */ color: rgb(27, 22, 105);
/* oklch */ color: oklch(27.7% 0.137 275.3);
Tailwind
colors: {
  custom: {
    50: '#655595',
    500: '#1b1669',
    950: '#000000',
  },
}
SCSS
$custom: #1b1669;
$custom-light: #655595;
$custom-dark: #000000;
JSON
{
  "hex": "#1b1669",
  "rgb": {
    "r": 27,
    "g": 22,
    "b": 105
  },
  "hsl": {
    "h": 243.614,
    "s": 65.354,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27684,
    "c": 0.13694,
    "h": 275.3
  },
  "luminance": 0.01827
}

Semantic roles & 50–950 ramp

primary
#1B1669
secondary
#999F3B
accent
#E83FDE
background
#F6F5F9
surface
#EBE8F2
border
#C6C4CC
text
#06030D
muted
#7A787E

Preview Lab

Preview with #1B1669

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

Preview Lab → · Contrast checker → · Palette generator →

#1B1669 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva