#1A42A1#1A42A1

#1A42A1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.161 H 263.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#1A42A1
RGB	rgb(26, 66, 161)
HSL	hsl(222, 72%, 37%)
HSV	hsv(222, 84%, 63%)
CMYK	cmyk(83.9%, 59%, 0%, 36.9%)
CIE-LAB	lab(31.09, 23.28, -55.22)
CIE-LCH	lch(31.09, 59.92, 292.86°)
OKLab	oklab(41.44% -0.0179 -0.1596)
OKLCH	oklch(41.44% 0.161 263.6)
XYZ	xyz(8.8049, 6.6882, 34.5382)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A42A1 #A1791A

analogous

#1A86A1 #1A42A1 #351AA1

triadic

#1A42A1 #A11A42 #42A11A

tetradic

#1A42A1 #A11A86 #A1791A #1AA135

square

#1A42A1 #A11A86 #A1791A #1AA135

split-complementary

#1A42A1 #A1351A #86A11A

monochromatic

#091738 #112C6C #1A42A1 #2358D6 #527DE3

Accessibility & contrast

On white

8.98

#1A42A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1A42A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A42A1

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A42A1	#FFFFFF	#000000	##FFFFFF
##1A42A1	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A4

Deuteranopia (green-blind)

#00439F

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a42a1;
/* rgb */ color: rgb(26, 66, 161);
/* oklch */ color: oklch(41.4% 0.161 263.6);

Tailwind

colors: {
  custom: {
    50: '#7075be',
    500: '#1a42a1',
    950: '#000000',
  },
}

SCSS

$custom: #1a42a1;
$custom-light: #7075be;
$custom-dark: #000000;

JSON

{
  "hex": "#1a42a1",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 161
  },
  "hsl": {
    "h": 222.222,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41436,
    "c": 0.16063,
    "h": 263.6
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#1A42A1

secondary

#C6A351

accent

#B939EF

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A42A1

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

Preview Lab → · Contrast checker → · Palette generator →