#2A43A4#2A43A4

#2A43A4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.5% C 0.159 H 267.9°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A43A4
RGB	rgb(42, 67, 164)
HSL	hsl(228, 59%, 40%)
HSV	hsv(228, 74%, 64%)
CMYK	cmyk(74.4%, 59.1%, 0%, 35.7%)
CIE-LAB	lab(32.23, 25.47, -55.14)
CIE-LCH	lch(32.23, 60.74, 294.79°)
OKLab	oklab(42.54% -0.0059 -0.1591)
OKLCH	oklch(42.54% 0.159 267.9)
XYZ	xyz(9.6605, 7.1859, 35.9926)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A43A4 #A48B2A

analogous

#2A80A4 #2A43A4 #4E2AA4

triadic

#2A43A4 #A42A43 #43A42A

tetradic

#2A43A4 #A42A80 #A48B2A #2AA44E

square

#2A43A4 #A42A80 #A48B2A #2AA44E

split-complementary

#2A43A4 #A44E2A #80A42A

monochromatic

#111B43 #1E2F73 #2A43A4 #3E5BCD #6E84DA

Accessibility & contrast

On white

8.62

#2A43A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2A43A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A43A4

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A43A4	#FFFFFF	#000000	##FFFFFF
##2A43A4	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A7

Deuteranopia (green-blind)

#0046A2

Tritanopia (blue-blind)

#005B6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a43a4;
/* rgb */ color: rgb(42, 67, 164);
/* oklch */ color: oklch(42.5% 0.159 267.9);

Tailwind

colors: {
  custom: {
    50: '#7576c0',
    500: '#2a43a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a43a4;
$custom-light: #7576c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a43a4",
  "rgb": {
    "r": 42,
    "g": 67,
    "b": 164
  },
  "hsl": {
    "h": 227.705,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4254,
    "c": 0.15922,
    "h": 267.9
  },
  "luminance": 0.07187
}

Semantic roles & 50–950 ramp

primary

#2A43A4

secondary

#C1AF69

accent

#C245E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A43A4

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

Preview Lab → · Contrast checker → · Palette generator →