#1D147E#1D147E

#1D147E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.165 H 273.8°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D147E
RGB	rgb(29, 20, 126)
HSL	hsl(245, 73%, 29%)
HSV	hsv(245, 84%, 49%)
CMYK	cmyk(77%, 84.1%, 0%, 50.6%)
CIE-LAB	lab(16.83, 39.65, -56.96)
CIE-LCH	lch(16.83, 69.40, 304.84°)
OKLab	oklab(30.06% 0.011 -0.1647)
OKLCH	oklch(30.06% 0.165 273.8)
XYZ	xyz(4.5215, 2.2674, 19.9340)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D147E #757E14

analogous

#14407E #1D147E #52147E

triadic

#1D147E #7E1D14 #147E1D

tetradic

#1D147E #7E1440 #757E14 #147E52

square

#1D147E #7E1440 #757E14 #147E52

split-complementary

#1D147E #7E5214 #407E14

monochromatic

#06041A #110C49 #1D147E #291CB3 #3D2EDE

Accessibility & contrast

On white

14.45

#1D147E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1D147E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D147E

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D147E	#FFFFFF	#000000	##FFFFFF
##1D147E	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d147e;
/* rgb */ color: rgb(29, 20, 126);
/* oklch */ color: oklch(30.1% 0.165 273.8);

Tailwind

colors: {
  custom: {
    50: '#6c55a5',
    500: '#1d147e',
    950: '#000000',
  },
}

SCSS

$custom: #1d147e;
$custom-light: #6c55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d147e",
  "rgb": {
    "r": 29,
    "g": 20,
    "b": 126
  },
  "hsl": {
    "h": 245.094,
    "s": 72.603,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30058,
    "c": 0.16511,
    "h": 273.8
  },
  "luminance": 0.02268
}

Semantic roles & 50–950 ramp

primary

#1D147E

secondary

#A9B33A

accent

#EF38E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1D147E

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

Preview Lab → · Contrast checker → · Palette generator →