#1A47B3#1A47B3

#1A47B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.179 H 263.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1A47B3
RGB	rgb(26, 71, 179)
HSL	hsl(222, 75%, 40%)
HSV	hsv(222, 85%, 70%)
CMYK	cmyk(85.5%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(33.94, 27.02, -61.32)
CIE-LCH	lch(33.94, 67.01, 293.78°)
OKLab	oklab(44.04% -0.02 -0.1775)
OKLCH	oklch(44.04% 0.179 263.6)
XYZ	xyz(10.8130, 7.9794, 43.6094)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A47B3 #B3861A

analogous

#1A93B3 #1A47B3 #3A1AB3

triadic

#1A47B3 #B31A47 #47B31A

tetradic

#1A47B3 #B31A93 #B3861A #1AB33A

square

#1A47B3 #B31A93 #B3861A #1AB33A

split-complementary

#1A47B3 #B33A1A #93B31A

monochromatic

#0A1D48 #12327E #1A47B3 #2A60E0 #6088E8

Accessibility & contrast

On white

8.09

#1A47B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1A47B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A47B3

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A47B3	#FFFFFF	#000000	##FFFFFF
##1A47B3	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a47b3;
/* rgb */ color: rgb(26, 71, 179);
/* oklch */ color: oklch(44.0% 0.179 263.6);

Tailwind

colors: {
  custom: {
    50: '#7479cb',
    500: '#1a47b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a47b3;
$custom-light: #7479cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a47b3",
  "rgb": {
    "r": 26,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 222.353,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.44042,
    "c": 0.17859,
    "h": 263.6
  },
  "luminance": 0.07981
}

Semantic roles & 50–950 ramp

primary

#1A47B3

secondary

#CCAB5D

accent

#BA37F1

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A47B3

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

Preview Lab → · Contrast checker → · Palette generator →