#1A3489#1A3489

#1A3489 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.145 H 266.1°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1A3489
RGB	rgb(26, 52, 137)
HSL	hsl(226, 68%, 32%)
HSV	hsv(226, 81%, 54%)
CMYK	cmyk(81%, 62%, 0%, 46.3%)
CIE-LAB	lab(25.20, 23.33, -50.11)
CIE-LCH	lch(25.20, 55.28, 294.97°)
OKLab	oklab(36.4% -0.0099 -0.1449)
OKLCH	oklch(36.4% 0.145 266.1)
XYZ	xyz(6.1678, 4.4810, 24.2019)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3489 #896F1A

analogous

#1A6C89 #1A3489 #381A89

triadic

#1A3489 #891A34 #34891A

tetradic

#1A3489 #891A6C #896F1A #1A8938

square

#1A3489 #891A6C #896F1A #1A8938

split-complementary

#1A3489 #89381A #6C891A

monochromatic

#060D22 #102056 #1A3489 #2448BC #4266DB

Accessibility & contrast

On white

11.07

#1A3489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1A3489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3489

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3489	#FFFFFF	#000000	##FFFFFF
##1A3489	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003787

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3489;
/* rgb */ color: rgb(26, 52, 137);
/* oklch */ color: oklch(36.4% 0.145 266.1);

Tailwind

colors: {
  custom: {
    50: '#6a6bac',
    500: '#1a3489',
    950: '#000000',
  },
}

SCSS

$custom: #1a3489;
$custom-light: #6a6bac;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3489",
  "rgb": {
    "r": 26,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 225.946,
    "s": 68.098,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36398,
    "c": 0.14522,
    "h": 266.1
  },
  "luminance": 0.04482
}

Semantic roles & 50–950 ramp

primary

#1A3489

secondary

#BCA043

accent

#C23DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1A3489

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

Preview Lab → · Contrast checker → · Palette generator →