#1A428B#1A428B

#1A428B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.6% C 0.130 H 261.2°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#1A428B
RGB	rgb(26, 66, 139)
HSL	hsl(219, 68%, 32%)
HSV	hsv(219, 81%, 55%)
CMYK	cmyk(81.3%, 52.5%, 0%, 45.5%)
CIE-LAB	lab(29.36, 14.39, -44.59)
CIE-LCH	lch(29.36, 46.86, 287.89°)
OKLab	oklab(39.59% -0.0199 -0.1284)
OKLCH	oklch(39.59% 0.13 261.2)
XYZ	xyz(7.0327, 5.9793, 25.2046)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A428B #8B631A

analogous

#1A7B8B #1A428B #2A1A8B

triadic

#1A428B #8B1A42 #428B1A

tetradic

#1A428B #8B1A7B #8B631A #1A8B2A

square

#1A428B #8B1A7B #8B631A #1A8B2A

split-complementary

#1A428B #8B2A1A #7B8B1A

monochromatic

#071124 #102A57 #1A428B #245ABF #4379DC

Accessibility & contrast

On white

9.56

#1A428B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1A428B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A428B

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A428B	#FFFFFF	#000000	##FFFFFF
##1A428B	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124B8E

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a428b;
/* rgb */ color: rgb(26, 66, 139);
/* oklch */ color: oklch(39.6% 0.130 261.2);

Tailwind

colors: {
  custom: {
    50: '#6a75ad',
    500: '#1a428b',
    950: '#000000',
  },
}

SCSS

$custom: #1a428b;
$custom-light: #6a75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a428b",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 139
  },
  "hsl": {
    "h": 218.761,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.39586,
    "c": 0.12994,
    "h": 261.2
  },
  "luminance": 0.0598
}

Semantic roles & 50–950 ramp

primary

#1A428B

secondary

#BD9244

accent

#AD3CEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1A428B

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

Preview Lab → · Contrast checker → · Palette generator →