#2D3A99#2D3A99

#2D3A99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.155 H 271.5°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2D3A99
RGB	rgb(45, 58, 153)
HSL	hsl(233, 55%, 39%)
HSV	hsv(233, 71%, 60%)
CMYK	cmyk(70.6%, 62.1%, 0%, 40%)
CIE-LAB	lab(29.12, 27.75, -53.54)
CIE-LCH	lch(29.12, 60.30, 297.40°)
OKLab	oklab(39.99% 0.0041 -0.1545)
OKLCH	oklch(39.99% 0.155 271.5)
XYZ	xyz(8.3431, 5.8831, 30.8267)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3A99 #998C2D

analogous

#2D7099 #2D3A99 #562D99

triadic

#2D3A99 #992D3A #3A992D

tetradic

#2D3A99 #992D70 #998C2D #2D9956

square

#2D3A99 #992D70 #998C2D #2D9956

split-complementary

#2D3A99 #99562D #70992D

monochromatic

#11163A #1F286A #2D3A99 #3D4EC6 #6C79D4

Accessibility & contrast

On white

9.65

#2D3A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2D3A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3A99

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3A99	#FFFFFF	#000000	##FFFFFF
##2D3A99	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2d3a99;
/* rgb */ color: rgb(45, 58, 153);
/* oklch */ color: oklch(40.0% 0.155 271.5);

Tailwind

colors: {
  custom: {
    50: '#7570b8',
    500: '#2d3a99',
    950: '#000000',
  },
}

SCSS

$custom: #2d3a99;
$custom-light: #7570b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3a99",
  "rgb": {
    "r": 45,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 232.778,
    "s": 54.545,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39987,
    "c": 0.15451,
    "h": 271.5
  },
  "luminance": 0.05884
}

Semantic roles & 50–950 ramp

primary

#2D3A99

secondary

#BBB167

accent

#CC4ADE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2D3A99

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

Preview Lab → · Contrast checker → · Palette generator →