#050B2A#050B2A

#050B2A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.064 H 268.7°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#050B2A
RGB	rgb(5, 11, 42)
HSL	hsl(230, 79%, 9%)
HSV	hsv(230, 88%, 16%)
CMYK	cmyk(88.1%, 73.8%, 0%, 83.5%)
CIE-LAB	lab(3.96, 7.50, -20.41)
CIE-LCH	lch(3.96, 21.74, 290.17°)
OKLab	oklab(16.78% -0.0014 -0.0637)
OKLCH	oklch(16.78% 0.064 268.7)
XYZ	xyz(0.6000, 0.4387, 2.2431)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B2A #2A2405

analogous

#051E2A #050B2A #12052A

triadic

#050B2A #2A050B #0B2A05

tetradic

#050B2A #2A051E #2A2405 #052A12

square

#050B2A #2A051E #2A2405 #052A12

split-complementary

#050B2A #2A1205 #1E2A05

monochromatic

#03071B #03071B #050B2A #0C1961 #122897

Accessibility & contrast

On white

19.31

#050B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#050B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B2A

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B2A	#FFFFFF	#000000	##FFFFFF
##050B2A	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102B

Deuteranopia (green-blind)

#000C29

Tritanopia (blue-blind)

#001318

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #050b2a;
/* rgb */ color: rgb(5, 11, 42);
/* oklch */ color: oklch(16.8% 0.064 268.7);

Tailwind

colors: {
  custom: {
    50: '#4a4b63',
    500: '#050b2a',
    950: '#000000',
  },
}

SCSS

$custom: #050b2a;
$custom-light: #4a4b63;
$custom-dark: #000000;

JSON

{
  "hex": "#050b2a",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 42
  },
  "hsl": {
    "h": 230.27,
    "s": 78.723,
    "l": 9.216
  },
  "oklch": {
    "l": 0.16775,
    "c": 0.06376,
    "h": 268.7
  },
  "luminance": 0.00439
}

Semantic roles & 50–950 ramp

primary

#050B2A

secondary

#6C5F1F

accent

#D633F5

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #050B2A

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

Preview Lab → · Contrast checker → · Palette generator →