#1A2B78#1A2B78

#1A2B78 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.133 H 268.4°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B78
RGB	rgb(26, 43, 120)
HSL	hsl(229, 64%, 29%)
HSV	hsv(229, 78%, 47%)
CMYK	cmyk(78.3%, 64.2%, 0%, 52.9%)
CIE-LAB	lab(21.22, 22.82, -45.91)
CIE-LCH	lch(21.22, 51.27, 296.43°)
OKLab	oklab(32.97% -0.0038 -0.1327)
OKLCH	oklch(32.97% 0.133 268.4)
XYZ	xyz(4.6789, 3.3029, 18.1566)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B78 #78671A

analogous

#1A5A78 #1A2B78 #381A78

triadic

#1A2B78 #781A2B #2B781A

tetradic

#1A2B78 #781A5A #78671A #1A7838

square

#1A2B78 #781A5A #78671A #1A7838

split-complementary

#1A2B78 #78381A #5A781A

monochromatic

#050919 #0F1946 #1A2B78 #253DAA #3855D4

Accessibility & contrast

On white

12.65

#1A2B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1A2B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B78

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B78	#FFFFFF	#000000	##FFFFFF
##1A2B78	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377B

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a2b78;
/* rgb */ color: rgb(26, 43, 120);
/* oklch */ color: oklch(33.0% 0.133 268.4);

Tailwind

colors: {
  custom: {
    50: '#6764a0',
    500: '#1a2b78',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b78;
$custom-light: #6764a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b78",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 120
  },
  "hsl": {
    "h": 229.149,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32968,
    "c": 0.13274,
    "h": 268.4
  },
  "luminance": 0.03303
}

Semantic roles & 50–950 ramp

primary

#1A2B78

secondary

#AC9941

accent

#C940E7

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #1A2B78

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

Preview Lab → · Contrast checker → · Palette generator →