#1A2D78#1A2D78

#1A2D78 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.130 H 267.7°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1A2D78
RGB	rgb(26, 45, 120)
HSL	hsl(228, 64%, 29%)
HSV	hsv(228, 78%, 47%)
CMYK	cmyk(78.3%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(21.77, 21.41, -45.01)
CIE-LCH	lch(21.77, 49.85, 295.44°)
OKLab	oklab(33.38% -0.0052 -0.13)
OKLCH	oklch(33.38% 0.13 267.7)
XYZ	xyz(4.7534, 3.4519, 18.1814)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2D78 #78651A

analogous

#1A5C78 #1A2D78 #361A78

triadic

#1A2D78 #781A2D #2D781A

tetradic

#1A2D78 #781A5C #78651A #1A7836

square

#1A2D78 #781A5C #78651A #1A7836

split-complementary

#1A2D78 #78361A #5C781A

monochromatic

#050919 #0F1A46 #1A2D78 #2540AA #3858D4

Accessibility & contrast

On white

12.42

#1A2D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A2D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2D78

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2D78	#FFFFFF	#000000	##FFFFFF
##1A2D78	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003077

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a2d78;
/* rgb */ color: rgb(26, 45, 120);
/* oklch */ color: oklch(33.4% 0.130 267.7);

Tailwind

colors: {
  custom: {
    50: '#6665a0',
    500: '#1a2d78',
    950: '#000000',
  },
}

SCSS

$custom: #1a2d78;
$custom-light: #6665a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2d78",
  "rgb": {
    "r": 26,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 227.872,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33377,
    "c": 0.13013,
    "h": 267.7
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary

#1A2D78

secondary

#AC9741

accent

#C640E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1A2D78

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

Preview Lab → · Contrast checker → · Palette generator →