#1D209C#1D209C

#1D209C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.191 H 270.1°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#1D209C
RGB	rgb(29, 32, 156)
HSL	hsl(239, 69%, 36%)
HSV	hsv(239, 81%, 61%)
CMYK	cmyk(81.4%, 79.5%, 0%, 38.8%)
CIE-LAB	lab(22.63, 43.29, -66.07)
CIE-LCH	lch(22.63, 78.99, 303.23°)
OKLab	oklab(35.16% 0.0003 -0.1913)
OKLCH	oklch(35.16% 0.191 270.1)
XYZ	xyz(7.0219, 3.6937, 31.7889)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D209C #9C991D

analogous

#1D609C #1D209C #5A1D9C

triadic

#1D209C #9C1D20 #209C1D

tetradic

#1D209C #9C1D60 #9C991D #1D9C5A

square

#1D209C #9C1D60 #9C991D #1D9C5A

split-complementary

#1D209C #9C5A1D #609C1D

monochromatic

#0A0B35 #131568 #1D209C #272BD0 #5457DF

Accessibility & contrast

On white

12.08

#1D209C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D209C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D209C

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D209C	#FFFFFF	#000000	##FFFFFF
##1D209C	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9F

Deuteranopia (green-blind)

#002F9A

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d209c;
/* rgb */ color: rgb(29, 32, 156);
/* oklch */ color: oklch(35.2% 0.191 270.1);

Tailwind

colors: {
  custom: {
    50: '#725ebb',
    500: '#1d209c',
    950: '#000000',
  },
}

SCSS

$custom: #1d209c;
$custom-light: #725ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d209c",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 156
  },
  "hsl": {
    "h": 238.583,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35159,
    "c": 0.19135,
    "h": 270.1
  },
  "luminance": 0.03695
}

Semantic roles & 50–950 ramp

primary

#1D209C

secondary

#C2C052

accent

#E73CEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D209C

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

Preview Lab → · Contrast checker → · Palette generator →