#1D2589#1D2589

#1D2589 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.162 H 270.6°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX#1D2589
RGBrgb(29, 37, 137)
HSLhsl(236, 65%, 33%)
HSVhsv(236, 79%, 54%)
CMYKcmyk(78.8%, 73%, 0%, 46.3%)
CIE-LABlab(21.54, 33.69, -56.11)
CIE-LCHlch(21.54, 65.45, 300.98°)
OKLaboklab(33.76% 0.0016 -0.1625)
OKLCHoklch(33.76% 0.162 270.6)
XYZxyz(5.6821, 3.3899, 24.0169)
Luminance0.0339 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D2589 #89811D
analogous
#1D5B89 #1D2589 #4B1D89
triadic
#1D2589 #891D25 #25891D
tetradic
#1D2589 #891D5B #89811D #1D894B
square
#1D2589 #891D5B #89811D #1D894B
split-complementary
#1D2589 #894B1D #5B891D
monochromatic
#080A24 #121756 #1D2589 #2833BC #4853D8

Accessibility & contrast

On white

12.51
#1D2589 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#1D2589 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2589
12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D2589#FFFFFF#000000##FFFFFF
##1D25891.0012.511.6812.51
#FFFFFF12.511.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00398C
Deuteranopia (green-blind)
#002E87
Tritanopia (blue-blind)
#004154
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #1d2589;
/* rgb */ color: rgb(29, 37, 137);
/* oklch */ color: oklch(33.8% 0.162 270.6);
Tailwind
colors: {
  custom: {
    50: '#6d60ac',
    500: '#1d2589',
    950: '#000000',
  },
}
SCSS
$custom: #1d2589;
$custom-light: #6d60ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1d2589",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 137
  },
  "hsl": {
    "h": 235.556,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33757,
    "c": 0.16248,
    "h": 270.6
  },
  "luminance": 0.0339
}

Semantic roles & 50–950 ramp

primary
#1D2589
secondary
#BAB247
accent
#DC40E8
background
#F7F5FA
surface
#EDE9F4
border
#C8C5CE
text
#080510
muted
#7B797F

Preview Lab

Preview with #1D2589

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

Preview Lab → · Contrast checker → · Palette generator →

#1D2589 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva