#05192B#05192B

#05192B is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.8% C 0.045 H 247.9°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#05192B
RGB	rgb(5, 25, 43)
HSL	hsl(208, 79%, 9%)
HSV	hsv(208, 88%, 17%)
CMYK	cmyk(88.4%, 41.9%, 0%, 83.1%)
CIE-LAB	lab(8.14, -0.45, -14.56)
CIE-LCH	lch(8.14, 14.57, 268.24°)
OKLab	oklab(20.76% -0.0168 -0.0413)
OKLCH	oklch(20.76% 0.045 247.9)
XYZ	xyz(0.8461, 0.9018, 2.4145)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05192B #2B1705

analogous

#052B2A #05192B #05062B

triadic

#05192B #2B0519 #192B05

tetradic

#05192B #2A052B #2B1705 #062B05

square

#05192B #2A052B #2B1705 #062B05

split-complementary

#05192B #2B0506 #2B2A05

monochromatic

#03101B #03101B #05192B #0B3962 #125999

Accessibility & contrast

On white

17.79

#05192B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#05192B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05192B

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05192B	#FFFFFF	#000000	##FFFFFF
##05192B	1.00	17.79	1.18	17.79
#FFFFFF	17.79	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111A2C

Deuteranopia (green-blind)

#0B162B

Tritanopia (blue-blind)

#001D1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #05192b;
/* rgb */ color: rgb(5, 25, 43);
/* oklch */ color: oklch(20.8% 0.045 247.9);

Tailwind

colors: {
  custom: {
    50: '#4a5564',
    500: '#05192b',
    950: '#000000',
  },
}

SCSS

$custom: #05192b;
$custom-light: #4a5564;
$custom-dark: #000000;

JSON

{
  "hex": "#05192b",
  "rgb": {
    "r": 5,
    "g": 25,
    "b": 43
  },
  "hsl": {
    "h": 208.421,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.20762,
    "c": 0.04463,
    "h": 247.9
  },
  "luminance": 0.00902
}

Semantic roles & 50–950 ramp

primary

#05192B

secondary

#6D441F

accent

#8F32F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010305

muted

#77787A

Preview Lab

Preview with #05192B

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

Preview Lab → · Contrast checker → · Palette generator →