#1A439D#1A439D

#1A439D is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.154 H 263.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#1A439D
RGB	rgb(26, 67, 157)
HSL	hsl(221, 72%, 36%)
HSV	hsv(221, 83%, 62%)
CMYK	cmyk(83.4%, 57.3%, 0%, 38.4%)
CIE-LAB	lab(31.04, 21.00, -52.88)
CIE-LCH	lch(31.04, 56.89, 291.66°)
OKLab	oklab(41.3% -0.0188 -0.1527)
OKLCH	oklch(41.3% 0.154 263)
XYZ	xyz(8.5168, 6.6672, 32.7298)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A439D #9D741A

analogous

#1A849D #1A439D #321A9D

triadic

#1A439D #9D1A43 #439D1A

tetradic

#1A439D #9D1A84 #9D741A #1A9D32

square

#1A439D #9D1A84 #9D741A #1A9D32

split-complementary

#1A439D #9D321A #849D1A

monochromatic

#091634 #112D68 #1A439D #2359D2 #4F7DE2

Accessibility & contrast

On white

9.00

#1A439D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1A439D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A439D

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A439D	#FFFFFF	#000000	##FFFFFF
##1A439D	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA0

Deuteranopia (green-blind)

#00439B

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a439d;
/* rgb */ color: rgb(26, 67, 157);
/* oklch */ color: oklch(41.3% 0.154 263.0);

Tailwind

colors: {
  custom: {
    50: '#6f76bb',
    500: '#1a439d',
    950: '#000000',
  },
}

SCSS

$custom: #1a439d;
$custom-light: #6f76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a439d",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 157
  },
  "hsl": {
    "h": 221.221,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41297,
    "c": 0.1539,
    "h": 263
  },
  "luminance": 0.06668
}

Semantic roles & 50–950 ramp

primary

#1A439D

secondary

#C49F4E

accent

#B639EE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A439D

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

Preview Lab → · Contrast checker → · Palette generator →