#1A3477#1A3477

#1A3477 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.119 H 264.8°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#1A3477
RGB	rgb(26, 52, 119)
HSL	hsl(223, 64%, 28%)
HSV	hsv(223, 78%, 47%)
CMYK	cmyk(78.2%, 56.3%, 0%, 53.3%)
CIE-LAB	lab(23.69, 16.03, -41.25)
CIE-LCH	lch(23.69, 44.25, 291.24°)
OKLab	oklab(34.8% -0.0108 -0.1188)
OKLCH	oklch(34.8% 0.119 264.8)
XYZ	xyz(4.9826, 4.0070, 17.9600)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3477 #775D1A

analogous

#1A6277 #1A3477 #2E1A77

triadic

#1A3477 #771A34 #34771A

tetradic

#1A3477 #771A62 #775D1A #1A772E

square

#1A3477 #771A62 #775D1A #1A772E

split-complementary

#1A3477 #772E1A #62771A

monochromatic

#050B19 #0F1E45 #1A3477 #254AA9 #3863D3

Accessibility & contrast

On white

11.66

#1A3477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1A3477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3477

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3477	#FFFFFF	#000000	##FFFFFF
##1A3477	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a3477;
/* rgb */ color: rgb(26, 52, 119);
/* oklch */ color: oklch(34.8% 0.119 264.8);

Tailwind

colors: {
  custom: {
    50: '#666b9f',
    500: '#1a3477',
    950: '#000000',
  },
}

SCSS

$custom: #1a3477;
$custom-light: #666b9f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3477",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 119
  },
  "hsl": {
    "h": 223.226,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34795,
    "c": 0.11933,
    "h": 264.8
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#1A3477

secondary

#AC8E41

accent

#B941E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3477

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

Preview Lab → · Contrast checker → · Palette generator →