#050B39#050B39

#050B39 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.5% C 0.088 H 268.5°. Best body text is #FFFFFF at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#050B39
RGB	rgb(5, 11, 57)
HSL	hsl(233, 84%, 12%)
HSV	hsv(233, 91%, 22%)
CMYK	cmyk(91.2%, 80.7%, 0%, 77.6%)
CIE-LAB	lab(5.12, 15.54, -29.69)
CIE-LCH	lch(5.12, 33.51, 297.63°)
OKLab	oklab(18.54% -0.0023 -0.0882)
OKLCH	oklch(18.54% 0.088 268.5)
XYZ	xyz(0.9205, 0.5669, 3.9310)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 1.41

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B39 #393305

analogous

#052539 #050B39 #190539

triadic

#050B39 #39050B #0B3905

tetradic

#050B39 #390525 #393305 #053919

square

#050B39 #390525 #393305 #053919

split-complementary

#050B39 #391905 #253905

monochromatic

#02051C #02051C #050B39 #0A1671 #0F21AA

Accessibility & contrast

On white

18.86

#050B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#050B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B39

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B39	#FFFFFF	#000000	##FFFFFF
##050B39	1.00	18.86	1.11	18.86
#FFFFFF	18.86	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143A

Deuteranopia (green-blind)

#000F38

Tritanopia (blue-blind)

#001820

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #050b39;
/* rgb */ color: rgb(5, 11, 57);
/* oklch */ color: oklch(18.5% 0.088 268.5);

Tailwind

colors: {
  custom: {
    50: '#4f4b70',
    500: '#050b39',
    950: '#000000',
  },
}

SCSS

$custom: #050b39;
$custom-light: #4f4b70;
$custom-dark: #000000;

JSON

{
  "hex": "#050b39",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 57
  },
  "hsl": {
    "h": 233.077,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.18536,
    "c": 0.08821,
    "h": 268.5
  },
  "luminance": 0.00567
}

Semantic roles & 50–950 ramp

primary

#050B39

secondary

#7A7020

accent

#E32EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #050B39

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

Preview Lab → · Contrast checker → · Palette generator →