#2D3F9F#2D3F9F

#2D3F9F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.156 H 270.0°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F9F
RGB	rgb(45, 63, 159)
HSL	hsl(231, 56%, 40%)
HSV	hsv(231, 72%, 62%)
CMYK	cmyk(71.7%, 60.4%, 0%, 37.6%)
CIE-LAB	lab(30.91, 26.65, -54.25)
CIE-LCH	lch(30.91, 60.45, 296.16°)
OKLab	oklab(41.48% 0.0001 -0.1565)
OKLCH	oklch(41.48% 0.156 270)
XYZ	xyz(9.1156, 6.6152, 33.5906)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F9F #9F8D2D

analogous

#2D789F #2D3F9F #542D9F

triadic

#2D3F9F #9F2D3F #3F9F2D

tetradic

#2D3F9F #9F2D78 #9F8D2D #2D9F54

square

#2D3F9F #9F2D78 #9F8D2D #2D9F54

split-complementary

#2D3F9F #9F542D #789F2D

monochromatic

#121940 #202C6F #2D3F9F #4056C9 #7080D6

Accessibility & contrast

On white

9.04

#2D3F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2D3F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F9F

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F9F	#FFFFFF	#000000	##FFFFFF
##2D3F9F	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00449D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2d3f9f;
/* rgb */ color: rgb(45, 63, 159);
/* oklch */ color: oklch(41.5% 0.156 270.0);

Tailwind

colors: {
  custom: {
    50: '#7673bc',
    500: '#2d3f9f',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f9f;
$custom-light: #7673bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f9f",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 159
  },
  "hsl": {
    "h": 230.526,
    "s": 55.882,
    "l": 40
  },
  "oklch": {
    "l": 0.41476,
    "c": 0.15649,
    "h": 270
  },
  "luminance": 0.06616
}

Semantic roles & 50–950 ramp

primary

#2D3F9F

secondary

#BEB16A

accent

#C749DF

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2D3F9F

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

Preview Lab → · Contrast checker → · Palette generator →