#1A47A7#1A47A7

#1A47A7 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.163 H 262.7°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A47A7
RGB	rgb(26, 71, 167)
HSL	hsl(221, 73%, 38%)
HSV	hsv(221, 84%, 65%)
CMYK	cmyk(84.4%, 57.5%, 0%, 34.5%)
CIE-LAB	lab(32.95, 22.27, -55.78)
CIE-LCH	lch(32.95, 60.07, 291.77°)
OKLab	oklab(42.99% -0.0207 -0.1612)
OKLCH	oklch(42.99% 0.163 262.7)
XYZ	xyz(9.6518, 7.5149, 37.4935)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A47A7 #A77A1A

analogous

#1A8DA7 #1A47A7 #331AA7

triadic

#1A47A7 #A71A47 #47A71A

tetradic

#1A47A7 #A71A8D #A77A1A #1AA733

square

#1A47A7 #A71A8D #A77A1A #1AA733

split-complementary

#1A47A7 #A7331A #8DA71A

monochromatic

#0A1A3D #123072 #1A47A7 #225EDC #5784E5

Accessibility & contrast

On white

8.39

#1A47A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1A47A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A47A7

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A47A7	#FFFFFF	#000000	##FFFFFF
##1A47A7	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#0047A5

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1a47a7;
/* rgb */ color: rgb(26, 71, 167);
/* oklch */ color: oklch(43.0% 0.163 262.7);

Tailwind

colors: {
  custom: {
    50: '#7179c2',
    500: '#1a47a7',
    950: '#000000',
  },
}

SCSS

$custom: #1a47a7;
$custom-light: #7179c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a47a7",
  "rgb": {
    "r": 26,
    "g": 71,
    "b": 167
  },
  "hsl": {
    "h": 220.851,
    "s": 73.057,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42992,
    "c": 0.16253,
    "h": 262.7
  },
  "luminance": 0.07516
}

Semantic roles & 50–950 ramp

primary

#1A47A7

secondary

#C8A355

accent

#B538F0

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A47A7

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

Preview Lab → · Contrast checker → · Palette generator →