#050B2F#050B2F

#050B2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.072 H 268.8°. Best body text is #FFFFFF at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#050B2F
RGB	rgb(5, 11, 47)
HSL	hsl(231, 81%, 10%)
HSV	hsv(231, 89%, 18%)
CMYK	cmyk(89.4%, 76.6%, 0%, 81.6%)
CIE-LAB	lab(4.31, 9.91, -23.63)
CIE-LCH	lch(4.31, 25.62, 292.76°)
OKLab	oklab(17.34% -0.0015 -0.0722)
OKLCH	oklch(17.34% 0.072 268.8)
XYZ	xyz(0.6952, 0.4768, 2.7442)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050B2F #2F2905

analogous

#05202F #050B2F #14052F

triadic

#050B2F #2F050B #0B2F05

tetradic

#050B2F #2F0520 #2F2905 #052F14

square

#050B2F #2F0520 #2F2905 #052F14

split-complementary

#050B2F #2F1405 #202F05

monochromatic

#03061C #03061C #050B2F #0B1866 #11259E

Accessibility & contrast

On white

19.17

#050B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#050B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050B2F

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050B2F	#FFFFFF	#000000	##FFFFFF
##050B2F	1.00	19.17	1.10	19.17
#FFFFFF	19.17	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001130

Deuteranopia (green-blind)

#000D2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #050b2f;
/* rgb */ color: rgb(5, 11, 47);
/* oklch */ color: oklch(17.3% 0.072 268.8);

Tailwind

colors: {
  custom: {
    50: '#4b4b68',
    500: '#050b2f',
    950: '#000000',
  },
}

SCSS

$custom: #050b2f;
$custom-light: #4b4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#050b2f",
  "rgb": {
    "r": 5,
    "g": 11,
    "b": 47
  },
  "hsl": {
    "h": 231.429,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17336,
    "c": 0.07224,
    "h": 268.8
  },
  "luminance": 0.00477
}

Semantic roles & 50–950 ramp

primary

#050B2F

secondary

#71651F

accent

#DB31F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #050B2F

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

Preview Lab → · Contrast checker → · Palette generator →