#1A3C82#1A3C82

#1A3C82 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.5% C 0.125 H 262.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C82
RGB	rgb(26, 60, 130)
HSL	hsl(220, 67%, 31%)
HSV	hsv(220, 80%, 51%)
CMYK	cmyk(80%, 53.8%, 0%, 49%)
CIE-LAB	lab(26.91, 14.89, -42.97)
CIE-LCH	lch(26.91, 45.47, 289.11°)
OKLab	oklab(37.51% -0.0162 -0.1237)
OKLCH	oklch(37.51% 0.125 262.5)
XYZ	xyz(6.0697, 5.0623, 21.7720)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C82 #82601A

analogous

#1A7082 #1A3C82 #2C1A82

triadic

#1A3C82 #821A3C #3C821A

tetradic

#1A3C82 #821A70 #82601A #1A822C

square

#1A3C82 #821A70 #82601A #1A822C

split-complementary

#1A3C82 #822C1A #70821A

monochromatic

#060D1C #10244F #1A3C82 #2454B5 #3E70D8

Accessibility & contrast

On white

10.43

#1A3C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1A3C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C82

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C82	#FFFFFF	#000000	##FFFFFF
##1A3C82	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4584

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1a3c82;
/* rgb */ color: rgb(26, 60, 130);
/* oklch */ color: oklch(37.5% 0.125 262.5);

Tailwind

colors: {
  custom: {
    50: '#6871a7',
    500: '#1a3c82',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c82;
$custom-light: #6871a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c82",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 130
  },
  "hsl": {
    "h": 220.385,
    "s": 66.667,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37506,
    "c": 0.1248,
    "h": 262.5
  },
  "luminance": 0.05063
}

Semantic roles & 50–950 ramp

primary

#1A3C82

secondary

#B69042

accent

#B23EEA

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1A3C82

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

Preview Lab → · Contrast checker → · Palette generator →