#2A428D#2A428D

#2A428D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.4% C 0.128 H 267.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2A428D
RGB	rgb(42, 66, 141)
HSL	hsl(225, 54%, 36%)
HSV	hsv(225, 70%, 55%)
CMYK	cmyk(70.2%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(30.18, 17.37, -44.46)
CIE-LCH	lch(30.18, 47.73, 291.33°)
OKLab	oklab(40.45% -0.0064 -0.1277)
OKLCH	oklch(40.45% 0.128 267.1)
XYZ	xyz(7.7091, 6.3110, 26.0060)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A428D #8D752A

analogous

#2A738D #2A428D #442A8D

triadic

#2A428D #8D2A42 #428D2A

tetradic

#2A428D #8D2A73 #8D752A #2A8D44

square

#2A428D #8D2A73 #8D752A #2A8D44

split-complementary

#2A428D #8D442A #738D2A

monochromatic

#0E162F #1C2C5E #2A428D #3858BC #617CD0

Accessibility & contrast

On white

9.28

#2A428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A428D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A428D	#FFFFFF	#000000	##FFFFFF
##2A428D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134C90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a428d;
/* rgb */ color: rgb(42, 66, 141);
/* oklch */ color: oklch(40.4% 0.128 267.1);

Tailwind

colors: {
  custom: {
    50: '#7075af',
    500: '#2a428d',
    950: '#000000',
  },
}

SCSS

$custom: #2a428d;
$custom-light: #7075af;
$custom-dark: #000000;

JSON

{
  "hex": "#2a428d",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 225.455,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40446,
    "c": 0.12789,
    "h": 267.1
  },
  "luminance": 0.06312
}

Semantic roles & 50–950 ramp

primary

#2A428D

secondary

#B6A05D

accent

#BA4ADD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A428D

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

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