#1A3D82#1A3D82

#1A3D82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.7% C 0.123 H 262.1°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D82
RGB	rgb(26, 61, 130)
HSL	hsl(220, 67%, 31%)
HSV	hsv(220, 80%, 51%)
CMYK	cmyk(80%, 53.1%, 0%, 49%)
CIE-LAB	lab(27.21, 14.19, -42.49)
CIE-LCH	lch(27.21, 44.79, 288.47°)
OKLab	oklab(37.73% -0.017 -0.1223)
OKLCH	oklch(37.73% 0.123 262.1)
XYZ	xyz(6.1226, 5.1681, 21.7896)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D82 #825F1A

analogous

#1A7182 #1A3D82 #2B1A82

triadic

#1A3D82 #821A3D #3D821A

tetradic

#1A3D82 #821A71 #825F1A #1A822B

square

#1A3D82 #821A71 #825F1A #1A822B

split-complementary

#1A3D82 #822B1A #71821A

monochromatic

#060D1C #10254F #1A3D82 #2455B5 #3E72D8

Accessibility & contrast

On white

10.33

#1A3D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1A3D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D82

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D82	#FFFFFF	#000000	##FFFFFF
##1A3D82	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4584

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3d82;
/* rgb */ color: rgb(26, 61, 130);
/* oklch */ color: oklch(37.7% 0.123 262.1);

Tailwind

colors: {
  custom: {
    50: '#6871a7',
    500: '#1a3d82',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d82;
$custom-light: #6871a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d82",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 219.808,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37732,
    "c": 0.12349,
    "h": 262.1
  },
  "luminance": 0.05169
}

Semantic roles & 50–950 ramp

primary

#1A3D82

secondary

#B68F42

accent

#B03EEA

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3D82

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

Preview Lab → · Contrast checker → · Palette generator →