#1A42A0#1A42A0

#1A42A0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.159 H 263.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A42A0
RGB	rgb(26, 66, 160)
HSL	hsl(222, 72%, 36%)
HSV	hsv(222, 84%, 63%)
CMYK	cmyk(83.8%, 58.8%, 0%, 37.3%)
CIE-LAB	lab(31.00, 22.88, -54.75)
CIE-LCH	lch(31.00, 59.34, 292.68°)
OKLab	oklab(41.35% -0.018 -0.1582)
OKLCH	oklch(41.35% 0.159 263.5)
XYZ	xyz(8.7171, 6.6530, 34.0756)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A42A0 #A0781A

analogous

#1A85A0 #1A42A0 #351AA0

triadic

#1A42A0 #A01A42 #42A01A

tetradic

#1A42A0 #A01A85 #A0781A #1AA035

square

#1A42A0 #A01A85 #A0781A #1AA035

split-complementary

#1A42A0 #A0351A #85A01A

monochromatic

#091737 #112C6B #1A42A0 #2358D5 #527DE3

Accessibility & contrast

On white

9.01

#1A42A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1A42A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A42A0

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A42A0	#FFFFFF	#000000	##FFFFFF
##1A42A0	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1a42a0;
/* rgb */ color: rgb(26, 66, 160);
/* oklch */ color: oklch(41.3% 0.159 263.5);

Tailwind

colors: {
  custom: {
    50: '#6f75bd',
    500: '#1a42a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a42a0;
$custom-light: #6f75bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a42a0",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 160
  },
  "hsl": {
    "h": 222.09,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41348,
    "c": 0.15927,
    "h": 263.5
  },
  "luminance": 0.06654
}

Semantic roles & 50–950 ramp

primary

#1A42A0

secondary

#C5A250

accent

#B939EF

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A42A0

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

Preview Lab → · Contrast checker → · Palette generator →