#05193B#05193B

#05193B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.1% C 0.071 H 259.8°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#05193B
RGB	rgb(5, 25, 59)
HSL	hsl(218, 84%, 13%)
HSV	hsv(218, 92%, 23%)
CMYK	cmyk(91.5%, 57.6%, 0%, 76.9%)
CIE-LAB	lab(9.35, 7.16, -24.28)
CIE-LCH	lch(9.35, 25.31, 286.42°)
OKLab	oklab(22.08% -0.0126 -0.0699)
OKLCH	oklch(22.08% 0.071 259.8)
XYZ	xyz(1.1993, 1.0431, 4.2750)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05193B #3B2705

analogous

#05343B #05193B #0C053B

triadic

#05193B #3B0519 #193B05

tetradic

#05193B #3B0534 #3B2705 #053B0C

square

#05193B #3B0534 #3B2705 #053B0C

split-complementary

#05193B #3B0C05 #343B05

monochromatic

#020C1C #020C1C #05193B #0A3173 #0F49AC

Accessibility & contrast

On white

17.38

#05193B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#05193B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05193B

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05193B	#FFFFFF	#000000	##FFFFFF
##05193B	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051D3C

Deuteranopia (green-blind)

#00183A

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #05193b;
/* rgb */ color: rgb(5, 25, 59);
/* oklch */ color: oklch(22.1% 0.071 259.8);

Tailwind

colors: {
  custom: {
    50: '#4f5571',
    500: '#05193b',
    950: '#000000',
  },
}

SCSS

$custom: #05193b;
$custom-light: #4f5571;
$custom-dark: #000000;

JSON

{
  "hex": "#05193b",
  "rgb": {
    "r": 5,
    "g": 25,
    "b": 59
  },
  "hsl": {
    "h": 217.778,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22081,
    "c": 0.07101,
    "h": 259.8
  },
  "luminance": 0.01043
}

Semantic roles & 50–950 ramp

primary

#05193B

secondary

#7C5A20

accent

#AF2DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #05193B

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

Preview Lab → · Contrast checker → · Palette generator →