#050A2F#050A2F

#050A2F is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.1% C 0.074 H 269.4°. Best body text is #FFFFFF at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#050A2F
RGB	rgb(5, 10, 47)
HSL	hsl(233, 81%, 10%)
HSV	hsv(233, 89%, 18%)
CMYK	cmyk(89.4%, 78.7%, 0%, 81.6%)
CIE-LAB	lab(4.11, 10.32, -23.95)
CIE-LCH	lch(4.11, 26.08, 293.32°)
OKLab	oklab(17.11% -0.0007 -0.0737)
OKLCH	oklch(17.11% 0.074 269.4)
XYZ	xyz(0.6840, 0.4545, 2.7405)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050A2F #2F2A05

analogous

#051F2F #050A2F #15052F

triadic

#050A2F #2F050A #0A2F05

tetradic

#050A2F #2F051F #2F2A05 #052F15

square

#050A2F #2F051F #2F2A05 #052F15

split-complementary

#050A2F #2F1505 #1F2F05

monochromatic

#03061C #03061C #050A2F #0B1666 #11229E

Accessibility & contrast

On white

19.25

#050A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#050A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050A2F

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050A2F	#FFFFFF	#000000	##FFFFFF
##050A2F	1.00	19.25	1.09	19.25
#FFFFFF	19.25	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001030

Deuteranopia (green-blind)

#000C2E

Tritanopia (blue-blind)

#00141B

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #050a2f;
/* rgb */ color: rgb(5, 10, 47);
/* oklch */ color: oklch(17.1% 0.074 269.4);

Tailwind

colors: {
  custom: {
    50: '#4b4b68',
    500: '#050a2f',
    950: '#000000',
  },
}

SCSS

$custom: #050a2f;
$custom-light: #4b4b68;
$custom-dark: #000000;

JSON

{
  "hex": "#050a2f",
  "rgb": {
    "r": 5,
    "g": 10,
    "b": 47
  },
  "hsl": {
    "h": 232.857,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.17109,
    "c": 0.07371,
    "h": 269.4
  },
  "luminance": 0.00455
}

Semantic roles & 50–950 ramp

primary

#050A2F

secondary

#71671F

accent

#E031F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #050A2F

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

Preview Lab → · Contrast checker → · Palette generator →