#1A428D#1A428D

#1A428D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.133 H 261.5°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#1A428D
RGB	rgb(26, 66, 141)
HSL	hsl(219, 69%, 33%)
HSV	hsv(219, 82%, 55%)
CMYK	cmyk(81.6%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(29.51, 15.21, -45.59)
CIE-LCH	lch(29.51, 48.06, 288.45°)
OKLab	oklab(39.75% -0.0196 -0.1313)
OKLCH	oklch(39.75% 0.133 261.5)
XYZ	xyz(7.1802, 6.0383, 25.9812)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A428D #8D651A

analogous

#1A7C8D #1A428D #2B1A8D

triadic

#1A428D #8D1A42 #428D1A

tetradic

#1A428D #8D1A7C #8D651A #1A8D2B

square

#1A428D #8D1A7C #8D651A #1A8D2B

split-complementary

#1A428D #8D2B1A #7C8D1A

monochromatic

#071226 #102A59 #1A428D #245AC1 #457ADD

Accessibility & contrast

On white

9.51

#1A428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1A428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A428D

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A428D	#FFFFFF	#000000	##FFFFFF
##1A428D	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4B90

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a428d;
/* rgb */ color: rgb(26, 66, 141);
/* oklch */ color: oklch(39.7% 0.133 261.5);

Tailwind

colors: {
  custom: {
    50: '#6a75af',
    500: '#1a428d',
    950: '#000000',
  },
}

SCSS

$custom: #1a428d;
$custom-light: #6a75af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a428d",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 219.13,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39747,
    "c": 0.13279,
    "h": 261.5
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#1A428D

secondary

#BE9445

accent

#AF3CEC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A428D

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

Preview Lab → · Contrast checker → · Palette generator →