#050F2B#050F2B

#050F2B is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.9% C 0.059 H 264.8°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#050F2B
RGB	rgb(5, 15, 43)
HSL	hsl(224, 79%, 9%)
HSV	hsv(224, 88%, 17%)
CMYK	cmyk(88.4%, 65.1%, 0%, 83.1%)
CIE-LAB	lab(4.95, 6.07, -19.60)
CIE-LCH	lch(4.95, 20.52, 287.20°)
OKLab	oklab(17.91% -0.0053 -0.0589)
OKLCH	oklch(17.91% 0.059 264.8)
XYZ	xyz(0.6693, 0.5483, 2.3556)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050F2B #2B2105

analogous

#05222B #050F2B #0E052B

triadic

#050F2B #2B050F #0F2B05

tetradic

#050F2B #2B0522 #2B2105 #052B0E

square

#050F2B #2B0522 #2B2105 #052B0E

split-complementary

#050F2B #2B0E05 #222B05

monochromatic

#030A1B #030A1B #050F2B #0B2262 #123599

Accessibility & contrast

On white

18.93

#050F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#050F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050F2B

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050F2B	#FFFFFF	#000000	##FFFFFF
##050F2B	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01132C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#00161B

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #050f2b;
/* rgb */ color: rgb(5, 15, 43);
/* oklch */ color: oklch(17.9% 0.059 264.8);

Tailwind

colors: {
  custom: {
    50: '#4a4d64',
    500: '#050f2b',
    950: '#000000',
  },
}

SCSS

$custom: #050f2b;
$custom-light: #4a4d64;
$custom-dark: #000000;

JSON

{
  "hex": "#050f2b",
  "rgb": {
    "r": 5,
    "g": 15,
    "b": 43
  },
  "hsl": {
    "h": 224.211,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.17907,
    "c": 0.05913,
    "h": 264.8
  },
  "luminance": 0.00548
}

Semantic roles & 50–950 ramp

primary

#050F2B

secondary

#6D581F

accent

#C232F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #050F2B

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

Preview Lab → · Contrast checker → · Palette generator →