#1A147F#1A147F

#1A147F is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.167 H 272.3°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#1A147F
RGB	rgb(26, 20, 127)
HSL	hsl(243, 73%, 29%)
HSV	hsv(243, 84%, 50%)
CMYK	cmyk(79.5%, 84.3%, 0%, 50.2%)
CIE-LAB	lab(16.76, 39.77, -57.73)
CIE-LCH	lch(16.76, 70.10, 304.56°)
OKLab	oklab(29.99% 0.0067 -0.167)
OKLCH	oklch(29.99% 0.167 272.3)
XYZ	xyz(4.5056, 2.2517, 20.2717)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A147F #797F14

analogous

#14447F #1A147F #50147F

triadic

#1A147F #7F1A14 #147F1A

tetradic

#1A147F #7F1444 #797F14 #147F50

square

#1A147F #7F1444 #797F14 #147F50

split-complementary

#1A147F #7F5014 #447F14

monochromatic

#05041A #0F0C4A #1A147F #251CB4 #392FDE

Accessibility & contrast

On white

14.48

#1A147F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1A147F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A147F

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A147F	#FFFFFF	#000000	##FFFFFF
##1A147F	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E82

Deuteranopia (green-blind)

#00247D

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a147f;
/* rgb */ color: rgb(26, 20, 127);
/* oklch */ color: oklch(30.0% 0.167 272.3);

Tailwind

colors: {
  custom: {
    50: '#6b55a5',
    500: '#1a147f',
    950: '#000000',
  },
}

SCSS

$custom: #1a147f;
$custom-light: #6b55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a147f",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 127
  },
  "hsl": {
    "h": 243.364,
    "s": 72.789,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29988,
    "c": 0.16717,
    "h": 272.3
  },
  "luminance": 0.02252
}

Semantic roles & 50–950 ramp

primary

#1A147F

secondary

#ADB43B

accent

#EF38E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A147F

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

Preview Lab → · Contrast checker → · Palette generator →