#05143F#05143F

#05143F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.085 H 264.5°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#05143F
RGB	rgb(5, 20, 63)
HSL	hsl(224, 85%, 13%)
HSV	hsv(224, 92%, 25%)
CMYK	cmyk(92.1%, 68.3%, 0%, 75.3%)
CIE-LAB	lab(8.05, 13.07, -29.23)
CIE-LCH	lch(8.05, 32.02, 294.09°)
OKLab	oklab(21.22% -0.0081 -0.0846)
OKLCH	oklch(21.22% 0.085 264.5)
XYZ	xyz(1.2096, 0.8913, 4.8099)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05143F #3F3005

analogous

#05313F #05143F #13053F

triadic

#05143F #3F0514 #143F05

tetradic

#05143F #3F0531 #3F3005 #053F13

square

#05143F #3F0531 #3F3005 #053F13

split-complementary

#05143F #3F1305 #313F05

monochromatic

#02091C #02091C #05143F #092678 #0E38B0

Accessibility & contrast

On white

17.82

#05143F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#05143F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05143F

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05143F	#FFFFFF	#000000	##FFFFFF
##05143F	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A40

Deuteranopia (green-blind)

#00153E

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #05143f;
/* rgb */ color: rgb(5, 20, 63);
/* oklch */ color: oklch(21.2% 0.085 264.5);

Tailwind

colors: {
  custom: {
    50: '#515074',
    500: '#05143f',
    950: '#000000',
  },
}

SCSS

$custom: #05143f;
$custom-light: #515074;
$custom-dark: #000000;

JSON

{
  "hex": "#05143f",
  "rgb": {
    "r": 5,
    "g": 20,
    "b": 63
  },
  "hsl": {
    "h": 224.483,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.21217,
    "c": 0.08495,
    "h": 264.5
  },
  "luminance": 0.00891
}

Semantic roles & 50–950 ramp

primary

#05143F

secondary

#806720

accent

#C62CFC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #05143F

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

Preview Lab → · Contrast checker → · Palette generator →