#2F3D73#2F3D73

#2F3D73 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.7% C 0.094 H 270.4°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F3D73
RGB	rgb(47, 61, 115)
HSL	hsl(228, 42%, 32%)
HSV	hsv(228, 59%, 45%)
CMYK	cmyk(59.1%, 47%, 0%, 54.9%)
CIE-LAB	lab(27.24, 11.98, -32.94)
CIE-LCH	lch(27.24, 35.05, 289.99°)
OKLab	oklab(37.71% 0.0007 -0.0938)
OKLCH	oklch(37.71% 0.094 270.4)
XYZ	xyz(5.9345, 5.1792, 16.9033)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3D73 #73652F

analogous

#2F5F73 #2F3D73 #432F73

triadic

#2F3D73 #732F3D #3D732F

tetradic

#2F3D73 #732F5F #73652F #2F7343

square

#2F3D73 #732F5F #73652F #2F7343

split-complementary

#2F3D73 #73432F #5F732F

monochromatic

#0B0F1C #1D2648 #2F3D73 #41549E #5F72BE

Accessibility & contrast

On white

10.31

#2F3D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2F3D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3D73

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3D73	#FFFFFF	#000000	##FFFFFF
##2F3D73	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254375

Deuteranopia (green-blind)

#1C3E72

Tritanopia (blue-blind)

#054952

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f3d73;
/* rgb */ color: rgb(47, 61, 115);
/* oklch */ color: oklch(37.7% 0.094 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e729c',
    500: '#2f3d73',
    950: '#000000',
  },
}

SCSS

$custom: #2f3d73;
$custom-light: #6e729c;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3d73",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 115
  },
  "hsl": {
    "h": 227.647,
    "s": 41.975,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37713,
    "c": 0.0938,
    "h": 270.4
  },
  "luminance": 0.0518
}

Semantic roles & 50–950 ramp

primary

#2F3D73

secondary

#A4955A

accent

#B856D2

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2F3D73

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

Preview Lab → · Contrast checker → · Palette generator →