#050A3B#050A3B

#050A3B is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.6% C 0.093 H 268.7°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#050A3B
RGB	rgb(5, 10, 59)
HSL	hsl(234, 84%, 13%)
HSV	hsv(234, 92%, 23%)
CMYK	cmyk(91.5%, 83.1%, 0%, 76.9%)
CIE-LAB	lab(5.10, 17.13, -31.17)
CIE-LCH	lch(5.10, 35.56, 298.79°)
OKLab	oklab(18.59% -0.0021 -0.0925)
OKLCH	oklch(18.59% 0.093 268.7)
XYZ	xyz(0.9603, 0.5650, 4.1953)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050A3B #3B3605

analogous

#05253B #050A3B #1B053B

triadic

#050A3B #3B050A #0A3B05

tetradic

#050A3B #3B0525 #3B3605 #053B1B

square

#050A3B #3B0525 #3B3605 #053B1B

split-complementary

#050A3B #3B1B05 #253B05

monochromatic

#02051C #02051C #050A3B #0A1473 #0F1DAC

Accessibility & contrast

On white

18.87

#050A3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#050A3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050A3B

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050A3B	#FFFFFF	#000000	##FFFFFF
##050A3B	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143C

Deuteranopia (green-blind)

#000E3A

Tritanopia (blue-blind)

#001821

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #050a3b;
/* rgb */ color: rgb(5, 10, 59);
/* oklch */ color: oklch(18.6% 0.093 268.7);

Tailwind

colors: {
  custom: {
    50: '#504a71',
    500: '#050a3b',
    950: '#000000',
  },
}

SCSS

$custom: #050a3b;
$custom-light: #504a71;
$custom-dark: #000000;

JSON

{
  "hex": "#050a3b",
  "rgb": {
    "r": 5,
    "g": 10,
    "b": 59
  },
  "hsl": {
    "h": 234.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18593,
    "c": 0.09254,
    "h": 268.7
  },
  "luminance": 0.00565
}

Semantic roles & 50–950 ramp

primary

#050A3B

secondary

#7C7320

accent

#E82DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #050A3B

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

Preview Lab → · Contrast checker → · Palette generator →