#2D40A4#2D40A4

#2D40A4 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.162 H 269.7°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#2D40A4
RGB	rgb(45, 64, 164)
HSL	hsl(230, 57%, 41%)
HSV	hsv(230, 73%, 64%)
CMYK	cmyk(72.6%, 61%, 0%, 35.7%)
CIE-LAB	lab(31.59, 27.85, -56.17)
CIE-LCH	lch(31.59, 62.70, 296.37°)
OKLab	oklab(42.11% -0.0007 -0.1621)
OKLCH	oklch(42.11% 0.162 269.7)
XYZ	xyz(9.6141, 6.9040, 35.9407)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D40A4 #A4912D

analogous

#2D7BA4 #2D40A4 #552DA4

triadic

#2D40A4 #A42D40 #40A42D

tetradic

#2D40A4 #A42D7B #A4912D #2DA455

square

#2D40A4 #A42D7B #A4912D #2DA455

split-complementary

#2D40A4 #A4552D #7BA42D

monochromatic

#131B44 #202D74 #2D40A4 #4359CB #7383D9

Accessibility & contrast

On white

8.82

#2D40A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2D40A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D40A4

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D40A4	#FFFFFF	#000000	##FFFFFF
##2D40A4	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A7

Deuteranopia (green-blind)

#0045A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d40a4;
/* rgb */ color: rgb(45, 64, 164);
/* oklch */ color: oklch(42.1% 0.162 269.7);

Tailwind

colors: {
  custom: {
    50: '#7774c0',
    500: '#2d40a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d40a4;
$custom-light: #7774c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d40a4",
  "rgb": {
    "r": 45,
    "g": 64,
    "b": 164
  },
  "hsl": {
    "h": 230.42,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42105,
    "c": 0.16212,
    "h": 269.7
  },
  "luminance": 0.06905
}

Semantic roles & 50–950 ramp

primary

#2D40A4

secondary

#C0B36D

accent

#C848E0

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D40A4

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

Preview Lab → · Contrast checker → · Palette generator →