#1A147E#1A147E

#1A147E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.166 H 272.4°. Best body text is #FFFFFF at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A147E
RGB	rgb(26, 20, 126)
HSL	hsl(243, 73%, 29%)
HSV	hsv(243, 84%, 49%)
CMYK	cmyk(79.4%, 84.1%, 0%, 50.6%)
CIE-LAB	lab(16.63, 39.44, -57.30)
CIE-LCH	lch(16.63, 69.56, 304.54°)
OKLab	oklab(29.86% 0.007 -0.1658)
OKLCH	oklch(29.86% 0.166 272.4)
XYZ	xyz(4.4408, 2.2258, 19.9302)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A147E #787E14

analogous

#14437E #1A147E #4F147E

triadic

#1A147E #7E1A14 #147E1A

tetradic

#1A147E #7E1443 #787E14 #147E4F

square

#1A147E #7E1443 #787E14 #147E4F

split-complementary

#1A147E #7E4F14 #437E14

monochromatic

#05041A #0F0C49 #1A147E #251CB3 #382EDE

Accessibility & contrast

On white

14.53

#1A147E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1A147E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A147E

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A147E	#FFFFFF	#000000	##FFFFFF
##1A147E	1.00	14.53	1.45	14.53
#FFFFFF	14.53	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a147e;
/* rgb */ color: rgb(26, 20, 126);
/* oklch */ color: oklch(29.9% 0.166 272.4);

Tailwind

colors: {
  custom: {
    50: '#6b55a5',
    500: '#1a147e',
    950: '#000000',
  },
}

SCSS

$custom: #1a147e;
$custom-light: #6b55a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1a147e",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 126
  },
  "hsl": {
    "h": 243.396,
    "s": 72.603,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29864,
    "c": 0.16594,
    "h": 272.4
  },
  "luminance": 0.02226
}

Semantic roles & 50–950 ramp

primary

#1A147E

secondary

#ACB33A

accent

#EF38E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1A147E

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

Preview Lab → · Contrast checker → · Palette generator →