#2D3F99#2D3F99

#2D3F99 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.148 H 270.0°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F99
RGB	rgb(45, 63, 153)
HSL	hsl(230, 55%, 39%)
HSV	hsv(230, 71%, 60%)
CMYK	cmyk(70.6%, 58.8%, 0%, 40%)
CIE-LAB	lab(30.43, 24.41, -51.40)
CIE-LCH	lch(30.43, 56.90, 295.40°)
OKLab	oklab(40.96% 0 -0.1481)
OKLCH	oklch(40.96% 0.148 270)
XYZ	xyz(8.6075, 6.4120, 30.9148)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F99 #99872D

analogous

#2D7599 #2D3F99 #512D99

triadic

#2D3F99 #992D3F #3F992D

tetradic

#2D3F99 #992D75 #99872D #2D9951

square

#2D3F99 #992D75 #99872D #2D9951

split-complementary

#2D3F99 #99512D #75992D

monochromatic

#11183A #1F2C6A #2D3F99 #3D54C6 #6C7ED4

Accessibility & contrast

On white

9.20

#2D3F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2D3F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F99

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F99	#FFFFFF	#000000	##FFFFFF
##2D3F99	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2d3f99;
/* rgb */ color: rgb(45, 63, 153);
/* oklch */ color: oklch(41.0% 0.148 270.0);

Tailwind

colors: {
  custom: {
    50: '#7473b8',
    500: '#2d3f99',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f99;
$custom-light: #7473b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f99",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 153
  },
  "hsl": {
    "h": 230,
    "s": 54.545,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40963,
    "c": 0.14812,
    "h": 270
  },
  "luminance": 0.06413
}

Semantic roles & 50–950 ramp

primary

#2D3F99

secondary

#BBAD67

accent

#C54ADE

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2D3F99

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

Preview Lab → · Contrast checker → · Palette generator →