#2D3F9D#2D3F9D

#2D3F9D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.154 H 270.0°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F9D
RGB	rgb(45, 63, 157)
HSL	hsl(230, 55%, 40%)
HSV	hsv(230, 71%, 62%)
CMYK	cmyk(71.3%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(30.75, 25.91, -53.31)
CIE-LCH	lch(30.75, 59.27, 295.92°)
OKLab	oklab(41.3% 0.0001 -0.1537)
OKLCH	oklch(41.3% 0.154 270)
XYZ	xyz(8.9434, 6.5463, 32.6840)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F9D #9D8B2D

analogous

#2D779D #2D3F9D #532D9D

triadic

#2D3F9D #9D2D3F #3F9D2D

tetradic

#2D3F9D #9D2D77 #9D8B2D #2D9D53

square

#2D3F9D #9D2D77 #9D8B2D #2D9D53

split-complementary

#2D3F9D #9D532D #779D2D

monochromatic

#12193E #1F2C6D #2D3F9D #3F55C8 #6F7FD6

Accessibility & contrast

On white

9.09

#2D3F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2D3F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F9D

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F9D	#FFFFFF	#000000	##FFFFFF
##2D3F9D	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA0

Deuteranopia (green-blind)

#00439B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d3f9d;
/* rgb */ color: rgb(45, 63, 157);
/* oklch */ color: oklch(41.3% 0.154 270.0);

Tailwind

colors: {
  custom: {
    50: '#7573bb',
    500: '#2d3f9d',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f9d;
$custom-light: #7573bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f9d",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 230.357,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41304,
    "c": 0.15372,
    "h": 270
  },
  "luminance": 0.06547
}

Semantic roles & 50–950 ramp

primary

#2D3F9D

secondary

#BDAF69

accent

#C749DF

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2D3F9D

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

Preview Lab → · Contrast checker → · Palette generator →