#1A4B99#1A4B99

#1A4B99 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.7% C 0.138 H 259.6°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1A4B99
RGB	rgb(26, 75, 153)
HSL	hsl(217, 71%, 35%)
HSV	hsv(217, 83%, 60%)
CMYK	cmyk(83%, 51%, 0%, 40%)
CIE-LAB	lab(33.03, 13.92, -47.22)
CIE-LCH	lch(33.03, 49.23, 286.42°)
OKLab	oklab(42.72% -0.0249 -0.136)
OKLCH	oklch(42.72% 0.138 259.6)
XYZ	xyz(8.6897, 7.5506, 31.1302)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4B99 #99681A

analogous

#1A8B99 #1A4B99 #281A99

triadic

#1A4B99 #991A4B #4B991A

tetradic

#1A4B99 #991A8B #99681A #1A9928

square

#1A4B99 #991A8B #99681A #1A9928

split-complementary

#1A4B99 #99281A #8B991A

monochromatic

#081830 #113165 #1A4B99 #2365CD #4D86E1

Accessibility & contrast

On white

8.37

#1A4B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1A4B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4B99

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4B99	#FFFFFF	#000000	##FFFFFF
##1A4B99	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A549C

Deuteranopia (green-blind)

#004897

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a4b99;
/* rgb */ color: rgb(26, 75, 153);
/* oklch */ color: oklch(42.7% 0.138 259.6);

Tailwind

colors: {
  custom: {
    50: '#6d7cb8',
    500: '#1a4b99',
    950: '#000000',
  },
}

SCSS

$custom: #1a4b99;
$custom-light: #6d7cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4b99",
  "rgb": {
    "r": 26,
    "g": 75,
    "b": 153
  },
  "hsl": {
    "h": 216.85,
    "s": 70.95,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42715,
    "c": 0.13822,
    "h": 259.6
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#1A4B99

secondary

#C3954C

accent

#A83AEE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1A4B99

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

Preview Lab → · Contrast checker → · Palette generator →