#1A428A#1A428A

#1A428A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.5% C 0.129 H 261.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1A428A
RGB	rgb(26, 66, 138)
HSL	hsl(219, 68%, 32%)
HSV	hsv(219, 81%, 54%)
CMYK	cmyk(81.2%, 52.2%, 0%, 45.9%)
CIE-LAB	lab(29.29, 13.98, -44.10)
CIE-LCH	lch(29.29, 46.26, 287.59°)
OKLab	oklab(39.51% -0.02 -0.1269)
OKLCH	oklch(39.51% 0.129 261)
XYZ	xyz(6.9600, 5.9502, 24.8215)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A428A #8A621A

analogous

#1A7A8A #1A428A #2A1A8A

triadic

#1A428A #8A1A42 #428A1A

tetradic

#1A428A #8A1A7A #8A621A #1A8A2A

square

#1A428A #8A1A7A #8A621A #1A8A2A

split-complementary

#1A428A #8A2A1A #7A8A1A

monochromatic

#071123 #102957 #1A428A #245BBD #4379DC

Accessibility & contrast

On white

9.59

#1A428A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1A428A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A428A

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A428A	#FFFFFF	#000000	##FFFFFF
##1A428A	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144A8D

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a428a;
/* rgb */ color: rgb(26, 66, 138);
/* oklch */ color: oklch(39.5% 0.129 261.0);

Tailwind

colors: {
  custom: {
    50: '#6a75ad',
    500: '#1a428a',
    950: '#000000',
  },
}

SCSS

$custom: #1a428a;
$custom-light: #6a75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a428a",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 138
  },
  "hsl": {
    "h": 218.571,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39506,
    "c": 0.12851,
    "h": 261
  },
  "luminance": 0.05951
}

Semantic roles & 50–950 ramp

primary

#1A428A

secondary

#BD9143

accent

#AD3DEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A428A

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

Preview Lab → · Contrast checker → · Palette generator →