#05103C#05103C

#05103C is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.086 H 266.3°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#05103C
RGB	rgb(5, 16, 60)
HSL	hsl(228, 85%, 13%)
HSV	hsv(228, 92%, 24%)
CMYK	cmyk(91.7%, 73.3%, 0%, 76.5%)
CIE-LAB	lab(6.58, 14.47, -29.48)
CIE-LCH	lch(6.58, 32.84, 296.15°)
OKLab	oklab(19.96% -0.0055 -0.0858)
OKLCH	oklch(19.96% 0.086 266.3)
XYZ	xyz(1.0632, 0.7290, 4.3588)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05103C #3C3105

analogous

#052B3C #05103C #15053C

triadic

#05103C #3C0510 #103C05

tetradic

#05103C #3C052B #3C3105 #053C15

square

#05103C #3C052B #3C3105 #053C15

split-complementary

#05103C #3C1505 #2B3C05

monochromatic

#02081C #02081C #05103C #0A1F74 #0E2EAD

Accessibility & contrast

On white

18.33

#05103C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#05103C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05103C

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05103C	#FFFFFF	#000000	##FFFFFF
##05103C	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173D

Deuteranopia (green-blind)

#00123B

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #05103c;
/* rgb */ color: rgb(5, 16, 60);
/* oklch */ color: oklch(20.0% 0.086 266.3);

Tailwind

colors: {
  custom: {
    50: '#504e72',
    500: '#05103c',
    950: '#000000',
  },
}

SCSS

$custom: #05103c;
$custom-light: #504e72;
$custom-dark: #000000;

JSON

{
  "hex": "#05103c",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 60
  },
  "hsl": {
    "h": 228,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.19963,
    "c": 0.08597,
    "h": 266.3
  },
  "luminance": 0.00729
}

Semantic roles & 50–950 ramp

primary

#05103C

secondary

#7D6A20

accent

#D22DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020108

muted

#78777B

Preview Lab

Preview with #05103C

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

Preview Lab → · Contrast checker → · Palette generator →