#1A4588#1A4588

#1A4588 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.0% C 0.122 H 259.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#1A4588
RGB	rgb(26, 69, 136)
HSL	hsl(217, 68%, 32%)
HSV	hsv(217, 81%, 53%)
CMYK	cmyk(80.9%, 49.3%, 0%, 46.7%)
CIE-LAB	lab(30.04, 11.09, -41.64)
CIE-LCH	lch(30.04, 43.10, 284.92°)
OKLab	oklab(40.04% -0.0228 -0.1197)
OKLCH	oklch(40.04% 0.122 259.2)
XYZ	xyz(6.9964, 6.2526, 24.1259)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4588 #885D1A

analogous

#1A7C88 #1A4588 #261A88

triadic

#1A4588 #881A45 #45881A

tetradic

#1A4588 #881A7C #885D1A #1A8826

square

#1A4588 #881A7C #885D1A #1A8826

split-complementary

#1A4588 #88261A #7C881A

monochromatic

#061121 #102B55 #1A4588 #245FBB #427DDB

Accessibility & contrast

On white

9.33

#1A4588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1A4588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4588

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4588	#FFFFFF	#000000	##FFFFFF
##1A4588	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4C8A

Deuteranopia (green-blind)

#004287

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1a4588;
/* rgb */ color: rgb(26, 69, 136);
/* oklch */ color: oklch(40.0% 0.122 259.2);

Tailwind

colors: {
  custom: {
    50: '#6978ab',
    500: '#1a4588',
    950: '#000000',
  },
}

SCSS

$custom: #1a4588;
$custom-light: #6978ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4588",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 136
  },
  "hsl": {
    "h": 216.545,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40039,
    "c": 0.12181,
    "h": 259.2
  },
  "luminance": 0.06253
}

Semantic roles & 50–950 ramp

primary

#1A4588

secondary

#BB8C43

accent

#A73DEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A4588

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

Preview Lab → · Contrast checker → · Palette generator →