#050F39#050F39

#050F39 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.4% C 0.083 H 266.7°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#050F39
RGB	rgb(5, 15, 57)
HSL	hsl(228, 84%, 12%)
HSV	hsv(228, 91%, 22%)
CMYK	cmyk(91.2%, 73.7%, 0%, 77.6%)
CIE-LAB	lab(6.04, 13.50, -28.19)
CIE-LCH	lch(6.04, 31.25, 295.59°)
OKLab	oklab(19.4% -0.0047 -0.0825)
OKLCH	oklch(19.4% 0.083 266.7)
XYZ	xyz(0.9717, 0.6692, 3.9481)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 2.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050F39 #392F05

analogous

#052939 #050F39 #150539

triadic

#050F39 #39050F #0F3905

tetradic

#050F39 #390529 #392F05 #053915

square

#050F39 #390529 #392F05 #053915

split-complementary

#050F39 #391505 #293905

monochromatic

#02071C #02071C #050F39 #0A1E71 #0F2DAA

Accessibility & contrast

On white

18.52

#050F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#050F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050F39

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050F39	#FFFFFF	#000000	##FFFFFF
##050F39	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00163A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#001A22

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #050f39;
/* rgb */ color: rgb(5, 15, 57);
/* oklch */ color: oklch(19.4% 0.083 266.7);

Tailwind

colors: {
  custom: {
    50: '#4f4d70',
    500: '#050f39',
    950: '#000000',
  },
}

SCSS

$custom: #050f39;
$custom-light: #4f4d70;
$custom-dark: #000000;

JSON

{
  "hex": "#050f39",
  "rgb": {
    "r": 5,
    "g": 15,
    "b": 57
  },
  "hsl": {
    "h": 228.462,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19396,
    "c": 0.08265,
    "h": 266.7
  },
  "luminance": 0.00669
}

Semantic roles & 50–950 ramp

primary

#050F39

secondary

#7A6920

accent

#D32EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #050F39

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

Preview Lab → · Contrast checker → · Palette generator →