#1A3C8E#1A3C8E

#1A3C8E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.142 H 263.9°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C8E
RGB	rgb(26, 60, 142)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 56%)
CMYK	cmyk(81.7%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(27.85, 19.78, -48.89)
CIE-LCH	lch(27.85, 52.74, 292.03°)
OKLab	oklab(38.52% -0.0151 -0.1411)
OKLCH	oklch(38.52% 0.142 263.9)
XYZ	xyz(6.9226, 5.4035, 26.2641)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C8E #8E6C1A

analogous

#1A768E #1A3C8E #321A8E

triadic

#1A3C8E #8E1A3C #3C8E1A

tetradic

#1A3C8E #8E1A76 #8E6C1A #1A8E32

square

#1A3C8E #8E1A76 #8E6C1A #1A8E32

split-complementary

#1A3C8E #8E321A #768E1A

monochromatic

#071027 #11265A #1A3C8E #2352C2 #4572DD

Accessibility & contrast

On white

10.09

#1A3C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#1A3C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C8E

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C8E	#FFFFFF	#000000	##FFFFFF
##1A3C8E	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1a3c8e;
/* rgb */ color: rgb(26, 60, 142);
/* oklch */ color: oklch(38.5% 0.142 263.9);

Tailwind

colors: {
  custom: {
    50: '#6b71b0',
    500: '#1a3c8e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c8e;
$custom-light: #6b71b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c8e",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 222.414,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38518,
    "c": 0.14196,
    "h": 263.9
  },
  "luminance": 0.05404
}

Semantic roles & 50–950 ramp

primary

#1A3C8E

secondary

#BE9B45

accent

#B83CEC

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1A3C8E

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

Preview Lab → · Contrast checker → · Palette generator →