#2A428C#2A428C

#2A428C is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.126 H 267.1°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A428C
RGB	rgb(42, 66, 140)
HSL	hsl(225, 54%, 36%)
HSV	hsv(225, 70%, 55%)
CMYK	cmyk(70%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(30.11, 16.98, -43.96)
CIE-LCH	lch(30.11, 47.13, 291.12°)
OKLab	oklab(40.37% -0.0065 -0.1263)
OKLCH	oklch(40.37% 0.126 267.1)
XYZ	xyz(7.6350, 6.2814, 25.6159)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A428C #8C742A

analogous

#2A738C #2A428C #432A8C

triadic

#2A428C #8C2A42 #428C2A

tetradic

#2A428C #8C2A73 #8C742A #2A8C43

square

#2A428C #8C2A73 #8C742A #2A8C43

split-complementary

#2A428C #8C432A #738C2A

monochromatic

#0E162E #1C2C5D #2A428C #3858BB #617CD0

Accessibility & contrast

On white

9.31

#2A428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A428C

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A428C	#FFFFFF	#000000	##FFFFFF
##2A428C	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144C8F

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a428c;
/* rgb */ color: rgb(42, 66, 140);
/* oklch */ color: oklch(40.4% 0.126 267.1);

Tailwind

colors: {
  custom: {
    50: '#7075ae',
    500: '#2a428c',
    950: '#000000',
  },
}

SCSS

$custom: #2a428c;
$custom-light: #7075ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2a428c",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 225.306,
    "s": 53.846,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40369,
    "c": 0.12643,
    "h": 267.1
  },
  "luminance": 0.06282
}

Semantic roles & 50–950 ramp

primary

#2A428C

secondary

#B5A05C

accent

#B94BDD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A428C

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

Preview Lab → · Contrast checker → · Palette generator →