#2D3FA3#2D3FA3

#2D3FA3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.8% C 0.162 H 270.0°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#2D3FA3
RGB	rgb(45, 63, 163)
HSL	hsl(231, 57%, 41%)
HSV	hsv(231, 72%, 64%)
CMYK	cmyk(72.4%, 61.3%, 0%, 36.1%)
CIE-LAB	lab(31.25, 28.14, -56.13)
CIE-LCH	lch(31.25, 62.79, 296.63°)
OKLab	oklab(41.83% 0 -0.162)
OKLCH	oklch(41.83% 0.162 270)
XYZ	xyz(9.4683, 6.7563, 35.4483)
Luminance	0.0676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3FA3 #A3912D

analogous

#2D7AA3 #2D3FA3 #562DA3

triadic

#2D3FA3 #A32D3F #3FA32D

tetradic

#2D3FA3 #A32D7A #A3912D #2DA356

square

#2D3FA3 #A32D7A #A3912D #2DA356

split-complementary

#2D3FA3 #A3562D #7AA32D

monochromatic

#131A43 #202C73 #2D3FA3 #4257CB #7282D8

Accessibility & contrast

On white

8.93

#2D3FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2D3FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3FA3

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3FA3	#FFFFFF	#000000	##FFFFFF
##2D3FA3	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0044A1

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2d3fa3;
/* rgb */ color: rgb(45, 63, 163);
/* oklch */ color: oklch(41.8% 0.162 270.0);

Tailwind

colors: {
  custom: {
    50: '#7773bf',
    500: '#2d3fa3',
    950: '#000000',
  },
}

SCSS

$custom: #2d3fa3;
$custom-light: #7773bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3fa3",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 163
  },
  "hsl": {
    "h": 230.847,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41825,
    "c": 0.162,
    "h": 270
  },
  "luminance": 0.06757
}

Semantic roles & 50–950 ramp

primary

#2D3FA3

secondary

#C0B36C

accent

#C948E0

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D3FA3

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

Preview Lab → · Contrast checker → · Palette generator →