#1A3E8F#1A3E8F

#1A3E8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.141 H 263.3°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E8F
RGB	rgb(26, 62, 143)
HSL	hsl(222, 69%, 33%)
HSV	hsv(222, 82%, 56%)
CMYK	cmyk(81.8%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(28.50, 18.79, -48.45)
CIE-LCH	lch(28.50, 51.96, 291.20°)
OKLab	oklab(39.03% -0.0164 -0.1398)
OKLCH	oklch(39.03% 0.141 263.3)
XYZ	xyz(7.1048, 5.6472, 26.6968)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E8F #8F6B1A

analogous

#1A798F #1A3E8F #301A8F

triadic

#1A3E8F #8F1A3E #3E8F1A

tetradic

#1A3E8F #8F1A79 #8F6B1A #1A8F30

square

#1A3E8F #8F1A79 #8F6B1A #1A8F30

split-complementary

#1A3E8F #8F301A #798F1A

monochromatic

#071127 #11285B #1A3E8F #2354C3 #4675DD

Accessibility & contrast

On white

9.86

#1A3E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1A3E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E8F

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E8F	#FFFFFF	#000000	##FFFFFF
##1A3E8F	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a3e8f;
/* rgb */ color: rgb(26, 62, 143);
/* oklch */ color: oklch(39.0% 0.141 263.3);

Tailwind

colors: {
  custom: {
    50: '#6b72b0',
    500: '#1a3e8f',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e8f;
$custom-light: #6b72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e8f",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 221.538,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39033,
    "c": 0.14078,
    "h": 263.3
  },
  "luminance": 0.05648
}

Semantic roles & 50–950 ramp

primary

#1A3E8F

secondary

#BF9A46

accent

#B63CEC

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1A3E8F

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

Preview Lab → · Contrast checker → · Palette generator →