#1D20AA#1D20AA

#1D20AA is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.8% C 0.208 H 269.3°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX#1D20AA
RGBrgb(29, 32, 170)
HSLhsl(239, 71%, 39%)
HSVhsv(239, 83%, 67%)
CMYKcmyk(82.9%, 81.2%, 0%, 33.3%)
CIE-LABlab(24.31, 47.88, -71.80)
CIE-LCHlch(24.31, 86.30, 303.70°)
OKLaboklab(36.82% -0.0024 -0.2079)
OKLCHoklch(36.82% 0.208 269.3)
XYZxyz(8.2764, 4.1955, 38.3960)
Luminance0.0420 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D20AA #AAA71D
analogous
#1D67AA #1D20AA #611DAA
triadic
#1D20AA #AA1D20 #20AA1D
tetradic
#1D20AA #AA1D67 #AAA71D #1DAA61
square
#1D20AA #AA1D67 #AAA71D #1DAA61
split-complementary
#1D20AA #AA611D #67AA1D
monochromatic
#0B0C41 #141676 #1D20AA #2A2DDB #5E61E4

Accessibility & contrast

On white

11.42
#1D20AA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#1D20AA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D20AA
11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D20AA#FFFFFF#000000##FFFFFF
##1D20AA1.0011.421.8411.42
#FFFFFF11.421.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0041AE
Deuteranopia (green-blind)
#0032A8
Tritanopia (blue-blind)
#004C66
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #1d20aa;
/* rgb */ color: rgb(29, 32, 170);
/* oklch */ color: oklch(36.8% 0.208 269.3);
Tailwind
colors: {
  custom: {
    50: '#765fc5',
    500: '#1d20aa',
    950: '#000000',
  },
}
SCSS
$custom: #1d20aa;
$custom-light: #765fc5;
$custom-dark: #000000;
JSON
{
  "hex": "#1d20aa",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 170
  },
  "hsl": {
    "h": 238.723,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36816,
    "c": 0.20796,
    "h": 269.3
  },
  "luminance": 0.04197
}

Semantic roles & 50–950 ramp

primary
#1D20AA
secondary
#C8C55B
accent
#EA3AEE
background
#F8F5FC
surface
#EFE9F8
border
#CAC5D1
text
#0A0513
muted
#7C7982

Preview Lab

Preview with #1D20AA

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

Preview Lab → · Contrast checker → · Palette generator →

#1D20AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva