#1A348D#1A348D

#1A348D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.151 H 266.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A348D
RGB	rgb(26, 52, 141)
HSL	hsl(226, 69%, 33%)
HSV	hsv(226, 82%, 55%)
CMYK	cmyk(81.6%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.56, 24.92, -52.02)
CIE-LCH	lch(25.56, 57.68, 295.60°)
OKLab	oklab(36.77% -0.0099 -0.1505)
OKLCH	oklch(36.77% 0.151 266.3)
XYZ	xyz(6.4600, 4.5979, 25.7412)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A348D #8D731A

analogous

#1A6D8D #1A348D #3A1A8D

triadic

#1A348D #8D1A34 #348D1A

tetradic

#1A348D #8D1A6D #8D731A #1A8D3A

square

#1A348D #8D1A6D #8D731A #1A8D3A

split-complementary

#1A348D #8D3A1A #6D8D1A

monochromatic

#070E26 #102159 #1A348D #2447C1 #4567DD

Accessibility & contrast

On white

10.94

#1A348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A348D

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A348D	#FFFFFF	#000000	##FFFFFF
##1A348D	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00378B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a348d;
/* rgb */ color: rgb(26, 52, 141);
/* oklch */ color: oklch(36.8% 0.151 266.3);

Tailwind

colors: {
  custom: {
    50: '#6b6baf',
    500: '#1a348d',
    950: '#000000',
  },
}

SCSS

$custom: #1a348d;
$custom-light: #6b6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1a348d",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 226.435,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36772,
    "c": 0.15078,
    "h": 266.3
  },
  "luminance": 0.04599
}

Semantic roles & 50–950 ramp

primary

#1A348D

secondary

#BEA345

accent

#C43CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1A348D

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

Preview Lab → · Contrast checker → · Palette generator →