#2D3FA5#2D3FA5

#2D3FA5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.165 H 270.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA5
RGB	rgb(45, 63, 165)
HSL	hsl(231, 57%, 41%)
HSV	hsv(231, 73%, 65%)
CMYK	cmyk(72.7%, 61.8%, 0%, 35.3%)
CIE-LAB	lab(31.41, 28.88, -57.06)
CIE-LCH	lch(31.41, 63.95, 296.85°)
OKLab	oklab(42% 0 -0.1647)
OKLCH	oklch(42% 0.165 270)
XYZ	xyz(9.6489, 6.8285, 36.3995)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA5 #A5932D

analogous

#2D7BA5 #2D3FA5 #572DA5

triadic

#2D3FA5 #A52D3F #3FA52D

tetradic

#2D3FA5 #A52D7B #A5932D #2DA557

square

#2D3FA5 #A52D7B #A5932D #2DA557

split-complementary

#2D3FA5 #A5572D #7BA52D

monochromatic

#131A45 #202D75 #2D3FA5 #4358CC #7383D9

Accessibility & contrast

On white

8.88

#2D3FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2D3FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA5

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA5	#FFFFFF	#000000	##FFFFFF
##2D3FA5	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A8

Deuteranopia (green-blind)

#0044A3

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3fa5;
/* rgb */ color: rgb(45, 63, 165);
/* oklch */ color: oklch(42.0% 0.165 270.0);

Tailwind

colors: {
  custom: {
    50: '#7774c1',
    500: '#2d3fa5',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa5;
$custom-light: #7774c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa5",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 165
  },
  "hsl": {
    "h": 231,
    "s": 57.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42002,
    "c": 0.16473,
    "h": 270
  },
  "luminance": 0.0683
}

Semantic roles & 50–950 ramp

primary

#2D3FA5

secondary

#C1B46D

accent

#C947E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D3FA5

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

Preview Lab → · Contrast checker → · Palette generator →