#1A2C78#1A2C78

#1A2C78 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.131 H 268.0°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A2C78
RGB	rgb(26, 44, 120)
HSL	hsl(229, 64%, 29%)
HSV	hsv(229, 78%, 47%)
CMYK	cmyk(78.3%, 63.3%, 0%, 52.9%)
CIE-LAB	lab(21.49, 22.12, -45.47)
CIE-LCH	lch(21.49, 50.56, 295.94°)
OKLab	oklab(33.17% -0.0045 -0.1314)
OKLCH	oklch(33.17% 0.131 268)
XYZ	xyz(4.7157, 3.3765, 18.1689)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2C78 #78661A

analogous

#1A5B78 #1A2C78 #371A78

triadic

#1A2C78 #781A2C #2C781A

tetradic

#1A2C78 #781A5B #78661A #1A7837

square

#1A2C78 #781A5B #78661A #1A7837

split-complementary

#1A2C78 #78371A #5B781A

monochromatic

#050919 #0F1A46 #1A2C78 #253EAA #3856D4

Accessibility & contrast

On white

12.53

#1A2C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1A2C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2C78

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2C78	#FFFFFF	#000000	##FFFFFF
##1A2C78	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387A

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a2c78;
/* rgb */ color: rgb(26, 44, 120);
/* oklch */ color: oklch(33.2% 0.131 268.0);

Tailwind

colors: {
  custom: {
    50: '#6664a0',
    500: '#1a2c78',
    950: '#000000',
  },
}

SCSS

$custom: #1a2c78;
$custom-light: #6664a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2c78",
  "rgb": {
    "r": 26,
    "g": 44,
    "b": 120
  },
  "hsl": {
    "h": 228.511,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33172,
    "c": 0.13144,
    "h": 268
  },
  "luminance": 0.03377
}

Semantic roles & 50–950 ramp

primary

#1A2C78

secondary

#AC9841

accent

#C740E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1A2C78

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

Preview Lab → · Contrast checker → · Palette generator →