#1A3C8D#1A3C8D

#1A3C8D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.141 H 263.8°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C8D
RGB	rgb(26, 60, 141)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 55%)
CMYK	cmyk(81.6%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(27.77, 19.37, -48.40)
CIE-LCH	lch(27.77, 52.14, 291.82°)
OKLab	oklab(38.43% -0.0152 -0.1397)
OKLCH	oklch(38.43% 0.141 263.8)
XYZ	xyz(6.8479, 5.3736, 25.8704)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C8D #8D6B1A

analogous

#1A758D #1A3C8D #321A8D

triadic

#1A3C8D #8D1A3C #3C8D1A

tetradic

#1A3C8D #8D1A75 #8D6B1A #1A8D32

square

#1A3C8D #8D1A75 #8D6B1A #1A8D32

split-complementary

#1A3C8D #8D321A #758D1A

monochromatic

#071026 #102659 #1A3C8D #2452C1 #4572DD

Accessibility & contrast

On white

10.12

#1A3C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1A3C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C8D

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C8D	#FFFFFF	#000000	##FFFFFF
##1A3C8D	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3c8d;
/* rgb */ color: rgb(26, 60, 141);
/* oklch */ color: oklch(38.4% 0.141 263.8);

Tailwind

colors: {
  custom: {
    50: '#6b71af',
    500: '#1a3c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c8d;
$custom-light: #6b71af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c8d",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 222.261,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38431,
    "c": 0.14055,
    "h": 263.8
  },
  "luminance": 0.05374
}

Semantic roles & 50–950 ramp

primary

#1A3C8D

secondary

#BE9A45

accent

#B83CEC

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A3C8D

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

Preview Lab → · Contrast checker → · Palette generator →