#050F31#050F31

#050F31 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.5% C 0.069 H 266.0°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#050F31
RGB	rgb(5, 15, 49)
HSL	hsl(226, 81%, 11%)
HSV	hsv(226, 90%, 19%)
CMYK	cmyk(89.8%, 69.4%, 0%, 80.8%)
CIE-LAB	lab(5.38, 9.07, -23.40)
CIE-LCH	lch(5.38, 25.10, 291.19°)
OKLab	oklab(18.52% -0.0048 -0.0693)
OKLCH	oklch(18.52% 0.069 266)
XYZ	xyz(0.7876, 0.5956, 2.9786)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050F31 #312705

analogous

#052531 #050F31 #110531

triadic

#050F31 #31050F #0F3105

tetradic

#050F31 #310525 #312705 #053111

square

#050F31 #310525 #312705 #053111

split-complementary

#050F31 #311105 #253105

monochromatic

#03081C #03081C #050F31 #0B2069 #1031A0

Accessibility & contrast

On white

18.76

#050F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#050F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050F31

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050F31	#FFFFFF	#000000	##FFFFFF
##050F31	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001432

Deuteranopia (green-blind)

#001030

Tritanopia (blue-blind)

#00181E

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #050f31;
/* rgb */ color: rgb(5, 15, 49);
/* oklch */ color: oklch(18.5% 0.069 266.0);

Tailwind

colors: {
  custom: {
    50: '#4c4d69',
    500: '#050f31',
    950: '#000000',
  },
}

SCSS

$custom: #050f31;
$custom-light: #4c4d69;
$custom-dark: #000000;

JSON

{
  "hex": "#050f31",
  "rgb": {
    "r": 5,
    "g": 15,
    "b": 49
  },
  "hsl": {
    "h": 226.364,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.18518,
    "c": 0.06949,
    "h": 266
  },
  "luminance": 0.00596
}

Semantic roles & 50–950 ramp

primary

#050F31

secondary

#72601F

accent

#CA30F8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #050F31

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

Preview Lab → · Contrast checker → · Palette generator →