#1D209F#1D209F

#1D209F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.195 H 269.9°. Best body text is #FFFFFF at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D209F
RGB	rgb(29, 32, 159)
HSL	hsl(239, 69%, 37%)
HSV	hsv(239, 82%, 62%)
CMYK	cmyk(81.8%, 79.9%, 0%, 37.6%)
CIE-LAB	lab(22.99, 44.28, -67.32)
CIE-LCH	lch(22.99, 80.58, 303.34°)
OKLab	oklab(35.51% -0.0002 -0.195)
OKLCH	oklch(35.51% 0.195 269.9)
XYZ	xyz(7.2791, 3.7966, 33.1433)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D209F #9F9C1D

analogous

#1D619F #1D209F #5B1D9F

triadic

#1D209F #9F1D20 #209F1D

tetradic

#1D209F #9F1D61 #9F9C1D #1D9F5B

square

#1D209F #9F1D61 #9F9C1D #1D9F5B

split-complementary

#1D209F #9F5B1D #619F1D

monochromatic

#0A0B37 #14166B #1D209F #262AD3 #5659E0

Accessibility & contrast

On white

11.94

#1D209F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D209F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D209F

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D209F	#FFFFFF	#000000	##FFFFFF
##1D209F	1.00	11.94	1.76	11.94
#FFFFFF	11.94	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d209f;
/* rgb */ color: rgb(29, 32, 159);
/* oklch */ color: oklch(35.5% 0.195 269.9);

Tailwind

colors: {
  custom: {
    50: '#735ebd',
    500: '#1d209f',
    950: '#000000',
  },
}

SCSS

$custom: #1d209f;
$custom-light: #735ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d209f",
  "rgb": {
    "r": 29,
    "g": 32,
    "b": 159
  },
  "hsl": {
    "h": 238.615,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35512,
    "c": 0.19496,
    "h": 269.9
  },
  "luminance": 0.03797
}

Semantic roles & 50–950 ramp

primary

#1D209F

secondary

#C4C154

accent

#E83CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D209F

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

Preview Lab → · Contrast checker → · Palette generator →