#050B3A#050B3A

#050B3A is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.7% C 0.090 H 268.4°. Best body text is #FFFFFF at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#050B3A
RGB	rgb(5, 11, 58)
HSL	hsl(233, 84%, 12%)
HSV	hsv(233, 91%, 23%)
CMYK	cmyk(91.4%, 81%, 0%, 77.3%)
CIE-LAB	lab(5.21, 16.11, -30.26)
CIE-LCH	lch(5.21, 34.29, 298.03°)
OKLab	oklab(18.66% -0.0024 -0.0897)
OKLCH	oklch(18.66% 0.09 268.4)
XYZ	xyz(0.9457, 0.5770, 4.0637)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.53

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B3A #3A3405

analogous

#05253A #050B3A #1A053A

triadic

#050B3A #3A050B #0B3A05

tetradic

#050B3A #3A0525 #3A3405 #053A1A

square

#050B3A #3A0525 #3A3405 #053A1A

split-complementary

#050B3A #3A1A05 #253A05

monochromatic

#02051C #02051C #050B3A #0A1672 #0F20AB

Accessibility & contrast

On white

18.83

#050B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#050B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B3A

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B3A	#FFFFFF	#000000	##FFFFFF
##050B3A	1.00	18.83	1.12	18.83
#FFFFFF	18.83	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143B

Deuteranopia (green-blind)

#000F39

Tritanopia (blue-blind)

#001821

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #050b3a;
/* rgb */ color: rgb(5, 11, 58);
/* oklch */ color: oklch(18.7% 0.090 268.4);

Tailwind

colors: {
  custom: {
    50: '#4f4b71',
    500: '#050b3a',
    950: '#000000',
  },
}

SCSS

$custom: #050b3a;
$custom-light: #4f4b71;
$custom-dark: #000000;

JSON

{
  "hex": "#050b3a",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 58
  },
  "hsl": {
    "h": 233.208,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18661,
    "c": 0.08974,
    "h": 268.4
  },
  "luminance": 0.00577
}

Semantic roles & 50–950 ramp

primary

#050B3A

secondary

#7B7120

accent

#E32DFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #050B3A

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

Preview Lab → · Contrast checker → · Palette generator →