#05172F#05172F

#05172F is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.5% C 0.054 H 255.8°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#05172F
RGB	rgb(5, 23, 47)
HSL	hsl(214, 81%, 10%)
HSV	hsv(214, 89%, 18%)
CMYK	cmyk(89.4%, 51.1%, 0%, 81.6%)
CIE-LAB	lab(7.68, 3.00, -18.25)
CIE-LCH	lch(7.68, 18.50, 279.33°)
OKLab	oklab(20.49% -0.0132 -0.0522)
OKLCH	oklch(20.49% 0.054 255.8)
XYZ	xyz(0.8819, 0.8502, 2.8064)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05172F #2F1D05

analogous

#052C2F #05172F #08052F

triadic

#05172F #2F0517 #172F05

tetradic

#05172F #2F052C #2F1D05 #052F08

square

#05172F #2F052C #2F1D05 #052F08

split-complementary

#05172F #2F0805 #2C2F05

monochromatic

#030E1C #030E1C #05172F #0B3266 #114D9E

Accessibility & contrast

On white

17.95

#05172F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#05172F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05172F

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05172F	#FFFFFF	#000000	##FFFFFF
##05172F	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1930

Deuteranopia (green-blind)

#05152F

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #05172f;
/* rgb */ color: rgb(5, 23, 47);
/* oklch */ color: oklch(20.5% 0.054 255.8);

Tailwind

colors: {
  custom: {
    50: '#4b5367',
    500: '#05172f',
    950: '#000000',
  },
}

SCSS

$custom: #05172f;
$custom-light: #4b5367;
$custom-dark: #000000;

JSON

{
  "hex": "#05172f",
  "rgb": {
    "r": 5,
    "g": 23,
    "b": 47
  },
  "hsl": {
    "h": 214.286,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20486,
    "c": 0.05386,
    "h": 255.8
  },
  "luminance": 0.0085
}

Semantic roles & 50–950 ramp

primary

#05172F

secondary

#714E1F

accent

#A231F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #05172F

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

Preview Lab → · Contrast checker → · Palette generator →