#1A439E#1A439E

#1A439E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.155 H 263.1°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#1A439E
RGB	rgb(26, 67, 158)
HSL	hsl(221, 72%, 36%)
HSV	hsv(221, 84%, 62%)
CMYK	cmyk(83.5%, 57.6%, 0%, 38%)
CIE-LAB	lab(31.12, 21.40, -53.35)
CIE-LCH	lch(31.12, 57.48, 291.86°)
OKLab	oklab(41.38% -0.0187 -0.1541)
OKLCH	oklch(41.38% 0.155 263.1)
XYZ	xyz(8.6025, 6.7015, 33.1812)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A439E #9E751A

analogous

#1A859E #1A439E #331A9E

triadic

#1A439E #9E1A43 #439E1A

tetradic

#1A439E #9E1A85 #9E751A #1A9E33

square

#1A439E #9E1A85 #9E751A #1A9E33

split-complementary

#1A439E #9E331A #859E1A

monochromatic

#091635 #112D69 #1A439E #2359D3 #507EE2

Accessibility & contrast

On white

8.97

#1A439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1A439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A439E

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A439E	#FFFFFF	#000000	##FFFFFF
##1A439E	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a439e;
/* rgb */ color: rgb(26, 67, 158);
/* oklch */ color: oklch(41.4% 0.155 263.1);

Tailwind

colors: {
  custom: {
    50: '#6f76bb',
    500: '#1a439e',
    950: '#000000',
  },
}

SCSS

$custom: #1a439e;
$custom-light: #6f76bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a439e",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 221.364,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.41383,
    "c": 0.15528,
    "h": 263.1
  },
  "luminance": 0.06703
}

Semantic roles & 50–950 ramp

primary

#1A439E

secondary

#C5A04F

accent

#B639EE

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A439E

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

Preview Lab → · Contrast checker → · Palette generator →