#1A147D#1A147D

#1A147D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.7% C 0.165 H 272.5°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#1A147D
RGB	rgb(26, 20, 125)
HSL	hsl(243, 72%, 28%)
HSV	hsv(243, 84%, 49%)
CMYK	cmyk(79.2%, 84%, 0%, 51%)
CIE-LAB	lab(16.50, 39.11, -56.87)
CIE-LCH	lch(16.50, 69.02, 304.52°)
OKLab	oklab(29.74% 0.0073 -0.1645)
OKLCH	oklch(29.74% 0.165 272.5)
XYZ	xyz(4.3766, 2.2001, 19.5921)
Luminance	0.0220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A147D #777D14

analogous

#14427D #1A147D #4E147D

triadic

#1A147D #7D1A14 #147D1A

tetradic

#1A147D #7D1442 #777D14 #147D4E

square

#1A147D #7D1442 #777D14 #147D4E

split-complementary

#1A147D #7D4E14 #427D14

monochromatic

#05041A #0F0C48 #1A147D #251CB2 #382EDE

Accessibility & contrast

On white

14.58

#1A147D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1A147D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A147D

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A147D	#FFFFFF	#000000	##FFFFFF
##1A147D	1.00	14.58	1.44	14.58
#FFFFFF	14.58	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1a147d;
/* rgb */ color: rgb(26, 20, 125);
/* oklch */ color: oklch(29.7% 0.165 272.5);

Tailwind

colors: {
  custom: {
    50: '#6a55a4',
    500: '#1a147d',
    950: '#000000',
  },
}

SCSS

$custom: #1a147d;
$custom-light: #6a55a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1a147d",
  "rgb": {
    "r": 26,
    "g": 20,
    "b": 125
  },
  "hsl": {
    "h": 243.429,
    "s": 72.414,
    "l": 28.431
  },
  "oklch": {
    "l": 0.2974,
    "c": 0.16471,
    "h": 272.5
  },
  "luminance": 0.02201
}

Semantic roles & 50–950 ramp

primary

#1A147D

secondary

#ACB23A

accent

#EF39E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1A147D

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

Preview Lab → · Contrast checker → · Palette generator →