#1D209A#1D209A

#1D209A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.189 H 270.2°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D209A
RGB	rgb(29, 32, 154)
HSL	hsl(239, 68%, 36%)
HSV	hsv(239, 81%, 60%)
CMYK	cmyk(81.2%, 79.2%, 0%, 39.6%)
CIE-LAB	lab(22.40, 42.62, -65.24)
CIE-LCH	lch(22.40, 77.92, 303.15°)
OKLab	oklab(34.92% 0.0007 -0.1889)
OKLCH	oklch(34.92% 0.189 270.2)
XYZ	xyz(6.8540, 3.6265, 30.9043)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D209A #9A971D

analogous

#1D5E9A #1D209A #581D9A

triadic

#1D209A #9A1D20 #209A1D

tetradic

#1D209A #9A1D5E #9A971D #1D9A58

square

#1D209A #9A1D5E #9A971D #1D9A58

split-complementary

#1D209A #9A581D #5E9A1D

monochromatic

#0A0B33 #131566 #1D209A #272BCE #5356DF

Accessibility & contrast

On white

12.17

#1D209A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D209A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D209A

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D209A	#FFFFFF	#000000	##FFFFFF
##1D209A	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#002F98

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d209a;
/* rgb */ color: rgb(29, 32, 154);
/* oklch */ color: oklch(34.9% 0.189 270.2);

Tailwind

colors: {
  custom: {
    50: '#725eb9',
    500: '#1d209a',
    950: '#000000',
  },
}

SCSS

$custom: #1d209a;
$custom-light: #725eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d209a",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 154
  },
  "hsl": {
    "h": 238.56,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34925,
    "c": 0.18893,
    "h": 270.2
  },
  "luminance": 0.03627
}

Semantic roles & 50–950 ramp

primary

#1D209A

secondary

#C2BF51

accent

#E73DEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #1D209A

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

Preview Lab → · Contrast checker → · Palette generator →