#050F37#050F37

#050F37 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.2% C 0.079 H 266.6°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#050F37
RGB	rgb(5, 15, 55)
HSL	hsl(228, 83%, 12%)
HSV	hsv(228, 91%, 22%)
CMYK	cmyk(90.9%, 72.7%, 0%, 78.4%)
CIE-LAB	lab(5.87, 12.41, -27.02)
CIE-LCH	lch(5.87, 29.73, 294.67°)
OKLab	oklab(19.17% -0.0047 -0.0793)
OKLCH	oklch(19.17% 0.079 266.6)
XYZ	xyz(0.9228, 0.6496, 3.6904)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.04

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050F37 #372D05

analogous

#052837 #050F37 #140537

triadic

#050F37 #37050F #0F3705

tetradic

#050F37 #370528 #372D05 #053714

square

#050F37 #370528 #372D05 #053714

split-complementary

#050F37 #371405 #283705

monochromatic

#03081C #03081C #050F37 #0A1E6F #0F2EA7

Accessibility & contrast

On white

18.58

#050F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#050F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050F37

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050F37	#FFFFFF	#000000	##FFFFFF
##050F37	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001538

Deuteranopia (green-blind)

#001136

Tritanopia (blue-blind)

#001921

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #050f37;
/* rgb */ color: rgb(5, 15, 55);
/* oklch */ color: oklch(19.2% 0.079 266.6);

Tailwind

colors: {
  custom: {
    50: '#4e4d6e',
    500: '#050f37',
    950: '#000000',
  },
}

SCSS

$custom: #050f37;
$custom-light: #4e4d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#050f37",
  "rgb": {
    "r": 5,
    "g": 15,
    "b": 55
  },
  "hsl": {
    "h": 228,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.1917,
    "c": 0.07942,
    "h": 266.6
  },
  "luminance": 0.0065
}

Semantic roles & 50–950 ramp

primary

#050F37

secondary

#786620

accent

#D12EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #050F37

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

Preview Lab → · Contrast checker → · Palette generator →