#031D47#031D47

#031D47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.1% C 0.085 H 259.2°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX	#031D47
RGB	rgb(3, 29, 71)
HSL	hsl(217, 92%, 15%)
HSV	hsv(217, 96%, 28%)
CMYK	cmyk(95.8%, 59.2%, 0%, 72.2%)
CIE-LAB	lab(11.64, 9.37, -29.02)
CIE-LCH	lch(11.64, 30.50, 287.90°)
OKLab	oklab(24.13% -0.016 -0.0838)
OKLCH	oklch(24.13% 0.085 259.2)
XYZ	xyz(1.6138, 1.3528, 6.1361)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D47 #472D03

analogous

#033F47 #031D47 #0B0347

triadic

#031D47 #47031D #1D4703

tetradic

#031D47 #47033F #472D03 #03470B

square

#031D47 #47033F #472D03 #03470B

split-complementary

#031D47 #470B03 #3F4703

monochromatic

#010C1D #010C1D #031D47 #053582 #084DBC

Accessibility & contrast

On white

16.53

#031D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#031D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D47

16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D47	#FFFFFF	#000000	##FFFFFF
##031D47	1.00	16.53	1.27	16.53
#FFFFFF	16.53	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012248

Deuteranopia (green-blind)

#001C46

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #031d47;
/* rgb */ color: rgb(3, 29, 71);
/* oklch */ color: oklch(24.1% 0.085 259.2);

Tailwind

colors: {
  custom: {
    50: '#52587b',
    500: '#031d47',
    950: '#000000',
  },
}

SCSS

$custom: #031d47;
$custom-light: #52587b;
$custom-dark: #000000;

JSON

{
  "hex": "#031d47",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 71
  },
  "hsl": {
    "h": 217.059,
    "s": 91.892,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24134,
    "c": 0.0853,
    "h": 259.2
  },
  "luminance": 0.01353
}

Semantic roles & 50–950 ramp

primary

#031D47

secondary

#885F1E

accent

#AD29FF

background

#F5F5F7

surface

#E8E9EE

border

#C4C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #031D47

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

Preview Lab → · Contrast checker → · Palette generator →