#1A3166#1A3166

#1A3166 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.7% C 0.098 H 264.1°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A3166
RGB	rgb(26, 49, 102)
HSL	hsl(222, 59%, 25%)
HSV	hsv(222, 75%, 40%)
CMYK	cmyk(74.5%, 52%, 0%, 60%)
CIE-LAB	lab(21.49, 11.19, -33.88)
CIE-LCH	lch(21.49, 35.68, 288.28°)
OKLab	oklab(32.71% -0.01 -0.0972)
OKLCH	oklch(32.71% 0.098 264.1)
XYZ	xyz(3.9217, 3.3751, 13.0126)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3166 #664F1A

analogous

#1A5766 #1A3166 #291A66

triadic

#1A3166 #661A31 #31661A

tetradic

#1A3166 #661A57 #664F1A #1A6629

square

#1A3166 #661A57 #664F1A #1A6629

split-complementary

#1A3166 #66291A #57661A

monochromatic

#060C18 #0E1A35 #1A3166 #264897 #3360C8

Accessibility & contrast

On white

12.54

#1A3166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1A3166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3166

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3166	#FFFFFF	#000000	##FFFFFF
##1A3166	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133768

Deuteranopia (green-blind)

#003065

Tritanopia (blue-blind)

#003D46

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a3166;
/* rgb */ color: rgb(26, 49, 102);
/* oklch */ color: oklch(32.7% 0.098 264.1);

Tailwind

colors: {
  custom: {
    50: '#616892',
    500: '#1a3166',
    950: '#000000',
  },
}

SCSS

$custom: #1a3166;
$custom-light: #616892;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3166",
  "rgb": {
    "r": 26,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 221.842,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32705,
    "c": 0.09774,
    "h": 264.1
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#1A3166

secondary

#9C8040

accent

#B345E3

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #1A3166

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

Preview Lab → · Contrast checker → · Palette generator →