#1A4A9E#1A4A9E

#1A4A9E is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.9% C 0.146 H 260.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1A4A9E
RGB	rgb(26, 74, 158)
HSL	hsl(218, 72%, 36%)
HSV	hsv(218, 84%, 62%)
CMYK	cmyk(83.5%, 53.2%, 0%, 38%)
CIE-LAB	lab(33.10, 16.62, -50.13)
CIE-LCH	lch(33.10, 52.81, 288.34°)
OKLab	oklab(42.89% -0.0235 -0.1445)
OKLCH	oklch(42.89% 0.146 260.8)
XYZ	xyz(9.0441, 7.5847, 33.3284)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4A9E #9E6E1A

analogous

#1A8C9E #1A4A9E #2C1A9E

triadic

#1A4A9E #9E1A4A #4A9E1A

tetradic

#1A4A9E #9E1A8C #9E6E1A #1A9E2C

square

#1A4A9E #9E1A8C #9E6E1A #1A9E2C

split-complementary

#1A4A9E #9E2C1A #8C9E1A

monochromatic

#091935 #113169 #1A4A9E #2363D3 #5085E2

Accessibility & contrast

On white

8.34

#1A4A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1A4A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4A9E

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4A9E	#FFFFFF	#000000	##FFFFFF
##1A4A9E	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C54A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a4a9e;
/* rgb */ color: rgb(26, 74, 158);
/* oklch */ color: oklch(42.9% 0.146 260.8);

Tailwind

colors: {
  custom: {
    50: '#6e7bbb',
    500: '#1a4a9e',
    950: '#000000',
  },
}

SCSS

$custom: #1a4a9e;
$custom-light: #6e7bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4a9e",
  "rgb": {
    "r": 26,
    "g": 74,
    "b": 158
  },
  "hsl": {
    "h": 218.182,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42887,
    "c": 0.14642,
    "h": 260.8
  },
  "luminance": 0.07586
}

Semantic roles & 50–950 ramp

primary

#1A4A9E

secondary

#C59A4F

accent

#AD39EE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A4A9E

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

Preview Lab → · Contrast checker → · Palette generator →