#1A3473#1A3473

#1A3473 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.113 H 264.3°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#1A3473
RGB	rgb(26, 52, 115)
HSL	hsl(222, 63%, 28%)
HSV	hsv(222, 77%, 45%)
CMYK	cmyk(77.4%, 54.8%, 0%, 54.9%)
CIE-LAB	lab(23.38, 14.39, -39.20)
CIE-LCH	lch(23.38, 41.76, 290.16°)
OKLab	oklab(34.46% -0.0112 -0.1128)
OKLCH	oklch(34.46% 0.113 264.3)
XYZ	xyz(4.7474, 3.9129, 16.7214)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3473 #73591A

analogous

#1A6073 #1A3473 #2C1A73

triadic

#1A3473 #731A34 #34731A

tetradic

#1A3473 #731A60 #73591A #1A732C

square

#1A3473 #731A60 #73591A #1A732C

split-complementary

#1A3473 #732C1A #60731A

monochromatic

#060B19 #0F1D41 #1A3473 #254BA5 #3663D2

Accessibility & contrast

On white

11.78

#1A3473 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1A3473 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3473

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3473	#FFFFFF	#000000	##FFFFFF
##1A3473	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093C75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1a3473;
/* rgb */ color: rgb(26, 52, 115);
/* oklch */ color: oklch(34.5% 0.113 264.3);

Tailwind

colors: {
  custom: {
    50: '#656b9c',
    500: '#1a3473',
    950: '#000000',
  },
}

SCSS

$custom: #1a3473;
$custom-light: #656b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3473",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 115
  },
  "hsl": {
    "h": 222.472,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34459,
    "c": 0.11338,
    "h": 264.3
  },
  "luminance": 0.03913
}

Semantic roles & 50–950 ramp

primary

#1A3473

secondary

#A88A41

accent

#B642E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1A3473

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

Preview Lab → · Contrast checker → · Palette generator →