#1A3872#1A3872

#1A3872 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.107 H 261.9°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1A3872
RGB	rgb(26, 56, 114)
HSL	hsl(220, 63%, 27%)
HSV	hsv(220, 77%, 45%)
CMYK	cmyk(77.2%, 50.9%, 0%, 55.3%)
CIE-LAB	lab(24.52, 11.13, -36.73)
CIE-LCH	lch(24.52, 38.38, 286.87°)
OKLab	oklab(35.3% -0.0149 -0.1055)
OKLCH	oklch(35.3% 0.107 261.9)
XYZ	xyz(4.8764, 4.2623, 16.4820)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3872 #72541A

analogous

#1A6472 #1A3872 #281A72

triadic

#1A3872 #721A38 #38721A

tetradic

#1A3872 #721A64 #72541A #1A7228

square

#1A3872 #721A64 #72541A #1A7228

split-complementary

#1A3872 #72281A #64721A

monochromatic

#060C19 #0F2040 #1A3872 #2550A4 #356AD1

Accessibility & contrast

On white

11.34

#1A3872 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A3872 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3872

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3872	#FFFFFF	#000000	##FFFFFF
##1A3872	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173F74

Deuteranopia (green-blind)

#003671

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3872;
/* rgb */ color: rgb(26, 56, 114);
/* oklch */ color: oklch(35.3% 0.107 261.9);

Tailwind

colors: {
  custom: {
    50: '#646e9b',
    500: '#1a3872',
    950: '#000000',
  },
}

SCSS

$custom: #1a3872;
$custom-light: #646e9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3872",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 114
  },
  "hsl": {
    "h": 219.545,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35303,
    "c": 0.10651,
    "h": 261.9
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#1A3872

secondary

#A78441

accent

#AE42E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1A3872

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

Preview Lab → · Contrast checker → · Palette generator →