#2D3391#2D3391

#2D3391 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.152 H 273.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#2D3391
RGB	rgb(45, 51, 145)
HSL	hsl(236, 53%, 37%)
HSV	hsv(236, 69%, 57%)
CMYK	cmyk(69%, 64.8%, 0%, 43.1%)
CIE-LAB	lab(26.65, 29.44, -52.67)
CIE-LCH	lch(26.65, 60.34, 299.20°)
OKLab	oklab(37.96% 0.01 -0.1519)
OKLCH	oklch(37.96% 0.152 273.8)
XYZ	xyz(7.3751, 4.9692, 27.3531)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3391 #918B2D

analogous

#2D6591 #2D3391 #592D91

triadic

#2D3391 #912D33 #33912D

tetradic

#2D3391 #912D65 #918B2D #2D9159

square

#2D3391 #912D65 #918B2D #2D9159

split-complementary

#2D3391 #91592D #65912D

monochromatic

#101234 #1F2362 #2D3391 #3B43C0 #686ED0

Accessibility & contrast

On white

10.53

#2D3391 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2D3391 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3391

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3391	#FFFFFF	#000000	##FFFFFF
##2D3391	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004B5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d3391;
/* rgb */ color: rgb(45, 51, 145);
/* oklch */ color: oklch(38.0% 0.152 273.8);

Tailwind

colors: {
  custom: {
    50: '#736bb2',
    500: '#2d3391',
    950: '#000000',
  },
}

SCSS

$custom: #2d3391;
$custom-light: #736bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3391",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 145
  },
  "hsl": {
    "h": 236.4,
    "s": 52.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37956,
    "c": 0.15228,
    "h": 273.8
  },
  "luminance": 0.0497
}

Semantic roles & 50–950 ramp

primary

#2D3391

secondary

#B7B263

accent

#D34CDC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2D3391

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

Preview Lab → · Contrast checker → · Palette generator →