#2D3999#2D3999

#2D3999 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.156 H 271.8°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2D3999
RGB	rgb(45, 57, 153)
HSL	hsl(233, 55%, 39%)
HSV	hsv(233, 71%, 60%)
CMYK	cmyk(70.6%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.86, 28.41, -53.96)
CIE-LCH	lch(28.86, 60.98, 297.77°)
OKLab	oklab(39.8% 0.0049 -0.1557)
OKLCH	oklch(39.8% 0.156 271.8)
XYZ	xyz(8.2931, 5.7833, 30.8100)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3999 #998D2D

analogous

#2D6F99 #2D3999 #572D99

triadic

#2D3999 #992D39 #39992D

tetradic

#2D3999 #992D6F #998D2D #2D9957

square

#2D3999 #992D6F #998D2D #2D9957

split-complementary

#2D3999 #99572D #6F992D

monochromatic

#11163A #1F276A #2D3999 #3D4CC6 #6C78D4

Accessibility & contrast

On white

9.74

#2D3999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2D3999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3999

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3999	#FFFFFF	#000000	##FFFFFF
##2D3999	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d3999;
/* rgb */ color: rgb(45, 57, 153);
/* oklch */ color: oklch(39.8% 0.156 271.8);

Tailwind

colors: {
  custom: {
    50: '#756fb8',
    500: '#2d3999',
    950: '#000000',
  },
}

SCSS

$custom: #2d3999;
$custom-light: #756fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3999",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 233.333,
    "s": 54.545,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39798,
    "c": 0.15578,
    "h": 271.8
  },
  "luminance": 0.05784
}

Semantic roles & 50–950 ramp

primary

#2D3999

secondary

#BBB267

accent

#CD4ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D3999

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

Preview Lab → · Contrast checker → · Palette generator →