#1A2A78#1A2A78

#1A2A78 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.134 H 268.7°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A2A78
RGB	rgb(26, 42, 120)
HSL	hsl(230, 64%, 29%)
HSV	hsv(230, 78%, 47%)
CMYK	cmyk(78.3%, 65%, 0%, 52.9%)
CIE-LAB	lab(20.95, 23.53, -46.36)
CIE-LCH	lch(20.95, 51.99, 296.91°)
OKLab	oklab(32.77% -0.0031 -0.134)
OKLCH	oklch(32.77% 0.134 268.7)
XYZ	xyz(4.6430, 3.2311, 18.1446)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2A78 #78681A

analogous

#1A5978 #1A2A78 #391A78

triadic

#1A2A78 #781A2A #2A781A

tetradic

#1A2A78 #781A59 #78681A #1A7839

square

#1A2A78 #781A59 #78681A #1A7839

split-complementary

#1A2A78 #78391A #59781A

monochromatic

#050919 #0F1846 #1A2A78 #253CAA #3853D4

Accessibility & contrast

On white

12.76

#1A2A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1A2A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2A78

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2A78	#FFFFFF	#000000	##FFFFFF
##1A2A78	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#002E77

Tritanopia (blue-blind)

#003E4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a2a78;
/* rgb */ color: rgb(26, 42, 120);
/* oklch */ color: oklch(32.8% 0.134 268.7);

Tailwind

colors: {
  custom: {
    50: '#6763a0',
    500: '#1a2a78',
    950: '#000000',
  },
}

SCSS

$custom: #1a2a78;
$custom-light: #6763a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2a78",
  "rgb": {
    "r": 26,
    "g": 42,
    "b": 120
  },
  "hsl": {
    "h": 229.787,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32767,
    "c": 0.13404,
    "h": 268.7
  },
  "luminance": 0.03232
}

Semantic roles & 50–950 ramp

primary

#1A2A78

secondary

#AC9A41

accent

#CB40E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1A2A78

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

Preview Lab → · Contrast checker → · Palette generator →