#1A348C#1A348C

#1A348C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.149 H 266.2°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A348C
RGB	rgb(26, 52, 140)
HSL	hsl(226, 69%, 33%)
HSV	hsv(226, 81%, 55%)
CMYK	cmyk(81.4%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(25.47, 24.53, -51.54)
CIE-LCH	lch(25.47, 57.08, 295.45°)
OKLab	oklab(36.68% -0.0099 -0.1491)
OKLCH	oklch(36.68% 0.149 266.2)
XYZ	xyz(6.3860, 4.5683, 25.3511)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A348C #8C721A

analogous

#1A6D8C #1A348C #391A8C

triadic

#1A348C #8C1A34 #348C1A

tetradic

#1A348C #8C1A6D #8C721A #1A8C39

square

#1A348C #8C1A6D #8C721A #1A8C39

split-complementary

#1A348C #8C391A #6D8C1A

monochromatic

#070E25 #102158 #1A348C #2447C0 #4467DC

Accessibility & contrast

On white

10.97

#1A348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1A348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A348C

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A348C	#FFFFFF	#000000	##FFFFFF
##1A348C	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a348c;
/* rgb */ color: rgb(26, 52, 140);
/* oklch */ color: oklch(36.7% 0.149 266.2);

Tailwind

colors: {
  custom: {
    50: '#6b6bae',
    500: '#1a348c',
    950: '#000000',
  },
}

SCSS

$custom: #1a348c;
$custom-light: #6b6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a348c",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 226.316,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36678,
    "c": 0.14941,
    "h": 266.2
  },
  "luminance": 0.04569
}

Semantic roles & 50–950 ramp

primary

#1A348C

secondary

#BEA244

accent

#C43CEC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1A348C

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

Preview Lab → · Contrast checker → · Palette generator →