#1A4AB4#1A4AB4

#1A4AB4 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.176 H 262.9°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#1A4AB4
RGB	rgb(26, 74, 180)
HSL	hsl(221, 75%, 40%)
HSV	hsv(221, 86%, 71%)
CMYK	cmyk(85.6%, 58.9%, 0%, 29.4%)
CIE-LAB	lab(34.82, 25.40, -60.47)
CIE-LCH	lch(34.82, 65.59, 292.78°)
OKLab	oklab(44.73% -0.0217 -0.1749)
OKLCH	oklch(44.73% 0.176 262.9)
XYZ	xyz(11.1100, 8.4111, 44.2091)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4AB4 #B4841A

analogous

#1A97B4 #1A4AB4 #371AB4

triadic

#1A4AB4 #B41A4A #4AB41A

tetradic

#1A4AB4 #B41A97 #B4841A #1AB437

square

#1A4AB4 #B41A97 #B4841A #1AB437

split-complementary

#1A4AB4 #B4371A #97B41A

monochromatic

#0B1E49 #12347F #1A4AB4 #2B63E0 #608BE8

Accessibility & contrast

On white

7.83

#1A4AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1A4AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4AB4

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4AB4	#FFFFFF	#000000	##FFFFFF
##1A4AB4	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a4ab4;
/* rgb */ color: rgb(26, 74, 180);
/* oklch */ color: oklch(44.7% 0.176 262.9);

Tailwind

colors: {
  custom: {
    50: '#747bcb',
    500: '#1a4ab4',
    950: '#000000',
  },
}

SCSS

$custom: #1a4ab4;
$custom-light: #747bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4ab4",
  "rgb": {
    "r": 26,
    "g": 74,
    "b": 180
  },
  "hsl": {
    "h": 221.299,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4473,
    "c": 0.17625,
    "h": 262.9
  },
  "luminance": 0.08412
}

Semantic roles & 50–950 ramp

primary

#1A4AB4

secondary

#CCAA5D

accent

#B736F1

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A4AB4

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

Preview Lab → · Contrast checker → · Palette generator →