#1A42AD#1A42AD

#1A42AD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.177 H 264.3°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1A42AD
RGB	rgb(26, 66, 173)
HSL	hsl(224, 74%, 39%)
HSV	hsv(224, 85%, 68%)
CMYK	cmyk(85%, 61.8%, 0%, 32.2%)
CIE-LAB	lab(32.11, 28.02, -60.75)
CIE-LCH	lch(32.11, 66.90, 294.76°)
OKLab	oklab(42.51% -0.0175 -0.1759)
OKLCH	oklch(42.51% 0.177 264.3)
XYZ	xyz(9.9144, 7.1319, 40.3811)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A42AD #AD851A

analogous

#1A8CAD #1A42AD #3B1AAD

triadic

#1A42AD #AD1A42 #42AD1A

tetradic

#1A42AD #AD1A8C #AD851A #1AAD3B

square

#1A42AD #AD1A8C #AD851A #1AAD3B

split-complementary

#1A42AD #AD3B1A #8CAD1A

monochromatic

#0A1943 #122E78 #1A42AD #2658DE #5B81E6

Accessibility & contrast

On white

8.65

#1A42AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1A42AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A42AD

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A42AD	#FFFFFF	#000000	##FFFFFF
##1A42AD	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B1

Deuteranopia (green-blind)

#0045AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1a42ad;
/* rgb */ color: rgb(26, 66, 173);
/* oklch */ color: oklch(42.5% 0.177 264.3);

Tailwind

colors: {
  custom: {
    50: '#7375c6',
    500: '#1a42ad',
    950: '#000000',
  },
}

SCSS

$custom: #1a42ad;
$custom-light: #7375c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a42ad",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 173
  },
  "hsl": {
    "h": 223.673,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42514,
    "c": 0.17674,
    "h": 264.3
  },
  "luminance": 0.07133
}

Semantic roles & 50–950 ramp

primary

#1A42AD

secondary

#CAAB59

accent

#BE37F1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1A42AD

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

Preview Lab → · Contrast checker → · Palette generator →