#1A428C#1A428C

#1A428C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.131 H 261.4°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A428C
RGB	rgb(26, 66, 140)
HSL	hsl(219, 69%, 33%)
HSV	hsv(219, 81%, 55%)
CMYK	cmyk(81.4%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.43, 14.80, -45.09)
CIE-LCH	lch(29.43, 47.46, 288.17°)
OKLab	oklab(39.67% -0.0197 -0.1299)
OKLCH	oklch(39.67% 0.131 261.4)
XYZ	xyz(7.1061, 6.0087, 25.5911)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A428C #8C641A

analogous

#1A7B8C #1A428C #2B1A8C

triadic

#1A428C #8C1A42 #428C1A

tetradic

#1A428C #8C1A7B #8C641A #1A8C2B

square

#1A428C #8C1A7B #8C641A #1A8C2B

split-complementary

#1A428C #8C2B1A #7B8C1A

monochromatic

#071125 #102A58 #1A428C #245AC0 #447ADC

Accessibility & contrast

On white

9.54

#1A428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1A428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A428C

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A428C	#FFFFFF	#000000	##FFFFFF
##1A428C	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104B8F

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a428c;
/* rgb */ color: rgb(26, 66, 140);
/* oklch */ color: oklch(39.7% 0.131 261.4);

Tailwind

colors: {
  custom: {
    50: '#6a75ae',
    500: '#1a428c',
    950: '#000000',
  },
}

SCSS

$custom: #1a428c;
$custom-light: #6a75ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a428c",
  "rgb": {
    "r": 26,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 218.947,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39666,
    "c": 0.13136,
    "h": 261.4
  },
  "luminance": 0.06009
}

Semantic roles & 50–950 ramp

primary

#1A428C

secondary

#BE9344

accent

#AE3CEC

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1A428C

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

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