#1A43AD#1A43AD

#1A43AD is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.176 H 264.1°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A43AD
RGB	rgb(26, 67, 173)
HSL	hsl(223, 74%, 39%)
HSV	hsv(223, 85%, 68%)
CMYK	cmyk(85%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(32.37, 27.35, -60.32)
CIE-LCH	lch(32.37, 66.23, 294.39°)
OKLab	oklab(42.71% -0.0181 -0.1746)
OKLCH	oklch(42.71% 0.176 264.1)
XYZ	xyz(9.9733, 7.2498, 40.4008)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A43AD #AD841A

analogous

#1A8DAD #1A43AD #3B1AAD

triadic

#1A43AD #AD1A43 #43AD1A

tetradic

#1A43AD #AD1A8D #AD841A #1AAD3B

square

#1A43AD #AD1A8D #AD841A #1AAD3B

split-complementary

#1A43AD #AD3B1A #8DAD1A

monochromatic

#0A1A43 #122E78 #1A43AD #2659DE #5B82E6

Accessibility & contrast

On white

8.57

#1A43AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1A43AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A43AD

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A43AD	#FFFFFF	#000000	##FFFFFF
##1A43AD	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B0

Deuteranopia (green-blind)

#0046AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1a43ad;
/* rgb */ color: rgb(26, 67, 173);
/* oklch */ color: oklch(42.7% 0.176 264.1);

Tailwind

colors: {
  custom: {
    50: '#7376c6',
    500: '#1a43ad',
    950: '#000000',
  },
}

SCSS

$custom: #1a43ad;
$custom-light: #7376c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a43ad",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 223.265,
    "s": 73.869,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4271,
    "c": 0.17552,
    "h": 264.1
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#1A43AD

secondary

#CAAA59

accent

#BD37F1

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1A43AD

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

Preview Lab → · Contrast checker → · Palette generator →