#1A47AD#1A47AD

#1A47AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.171 H 263.2°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1A47AD
RGB	rgb(26, 71, 173)
HSL	hsl(222, 74%, 39%)
HSV	hsv(222, 85%, 68%)
CMYK	cmyk(85%, 59%, 0%, 32.2%)
CIE-LAB	lab(33.44, 24.66, -58.57)
CIE-LCH	lch(33.44, 63.55, 292.83°)
OKLab	oklab(43.51% -0.0203 -0.1694)
OKLCH	oklch(43.51% 0.171 263.2)
XYZ	xyz(10.2194, 7.7419, 40.4828)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A47AD #AD801A

analogous

#1A91AD #1A47AD #371AAD

triadic

#1A47AD #AD1A47 #47AD1A

tetradic

#1A47AD #AD1A91 #AD801A #1AAD37

square

#1A47AD #AD1A91 #AD801A #1AAD37

split-complementary

#1A47AD #AD371A #91AD1A

monochromatic

#0A1B43 #123178 #1A47AD #265EDE #5B86E6

Accessibility & contrast

On white

8.24

#1A47AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1A47AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A47AD

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A47AD	#FFFFFF	#000000	##FFFFFF
##1A47AD	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#0048AB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a47ad;
/* rgb */ color: rgb(26, 71, 173);
/* oklch */ color: oklch(43.5% 0.171 263.2);

Tailwind

colors: {
  custom: {
    50: '#7379c6',
    500: '#1a47ad',
    950: '#000000',
  },
}

SCSS

$custom: #1a47ad;
$custom-light: #7379c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a47ad",
  "rgb": {
    "r": 26,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 221.633,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43511,
    "c": 0.17061,
    "h": 263.2
  },
  "luminance": 0.07743
}

Semantic roles & 50–950 ramp

primary

#1A47AD

secondary

#CAA759

accent

#B837F1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A47AD

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

Preview Lab → · Contrast checker → · Palette generator →