#1A4A9F#1A4A9F

#1A4A9F is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.148 H 260.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A4A9F
RGB	rgb(26, 74, 159)
HSL	hsl(218, 72%, 36%)
HSV	hsv(218, 84%, 62%)
CMYK	cmyk(83.6%, 53.5%, 0%, 37.6%)
CIE-LAB	lab(33.18, 17.02, -50.61)
CIE-LCH	lch(33.18, 53.40, 288.59°)
OKLab	oklab(42.97% -0.0234 -0.1459)
OKLCH	oklch(42.97% 0.148 260.9)
XYZ	xyz(9.1305, 7.6193, 33.7836)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4A9F #9F6F1A

analogous

#1A8D9F #1A4A9F #2D1A9F

triadic

#1A4A9F #9F1A4A #4A9F1A

tetradic

#1A4A9F #9F1A8D #9F6F1A #1A9F2D

square

#1A4A9F #9F1A8D #9F6F1A #1A9F2D

split-complementary

#1A4A9F #9F2D1A #8D9F1A

monochromatic

#091936 #11326A #1A4A9F #2362D4 #5185E3

Accessibility & contrast

On white

8.32

#1A4A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1A4A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4A9F

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4A9F	#FFFFFF	#000000	##FFFFFF
##1A4A9F	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0954A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1a4a9f;
/* rgb */ color: rgb(26, 74, 159);
/* oklch */ color: oklch(43.0% 0.148 260.9);

Tailwind

colors: {
  custom: {
    50: '#6f7bbc',
    500: '#1a4a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a4a9f;
$custom-light: #6f7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4a9f",
  "rgb": {
    "r": 26,
    "g": 74,
    "b": 159
  },
  "hsl": {
    "h": 218.346,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42967,
    "c": 0.1478,
    "h": 260.9
  },
  "luminance": 0.0762
}

Semantic roles & 50–950 ramp

primary

#1A4A9F

secondary

#C59B50

accent

#AD39EF

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1A4A9F

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

Preview Lab → · Contrast checker → · Palette generator →