#2A428F#2A428F

#2A428F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.131 H 267.3°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2A428F
RGB	rgb(42, 66, 143)
HSL	hsl(226, 55%, 36%)
HSV	hsv(226, 71%, 56%)
CMYK	cmyk(70.6%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(30.33, 18.13, -45.46)
CIE-LCH	lch(30.33, 48.94, 291.75°)
OKLab	oklab(40.6% -0.0062 -0.1306)
OKLCH	oklch(40.6% 0.131 267.3)
XYZ	xyz(7.8593, 6.3711, 26.7968)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A428F #8F772A

analogous

#2A758F #2A428F #452A8F

triadic

#2A428F #8F2A42 #428F2A

tetradic

#2A428F #8F2A75 #8F772A #2A8F45

square

#2A428F #8F2A75 #8F772A #2A8F45

split-complementary

#2A428F #8F452A #758F2A

monochromatic

#0E1630 #1C2C60 #2A428F #3858BE #627DD1

Accessibility & contrast

On white

9.23

#2A428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2A428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A428F

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A428F	#FFFFFF	#000000	##FFFFFF
##2A428F	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4C92

Deuteranopia (green-blind)

#00438D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a428f;
/* rgb */ color: rgb(42, 66, 143);
/* oklch */ color: oklch(40.6% 0.131 267.3);

Tailwind

colors: {
  custom: {
    50: '#7175b0',
    500: '#2a428f',
    950: '#000000',
  },
}

SCSS

$custom: #2a428f;
$custom-light: #7175b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a428f",
  "rgb": {
    "r": 42,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 225.743,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40604,
    "c": 0.1308,
    "h": 267.3
  },
  "luminance": 0.06372
}

Semantic roles & 50–950 ramp

primary

#2A428F

secondary

#B7A25E

accent

#BB4ADE

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #2A428F

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

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