#05133B#05133B

#05133B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.080 H 264.6°. Best body text is #FFFFFF at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#05133B
RGB	rgb(5, 19, 59)
HSL	hsl(224, 84%, 13%)
HSV	hsv(224, 92%, 23%)
CMYK	cmyk(91.5%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(7.35, 11.92, -27.52)
CIE-LCH	lch(7.35, 29.99, 293.43°)
OKLab	oklab(20.55% -0.0076 -0.0796)
OKLCH	oklch(20.55% 0.08 264.6)
XYZ	xyz(1.0846, 0.8136, 4.2367)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05133B #3B2D05

analogous

#052E3B #05133B #12053B

triadic

#05133B #3B0513 #133B05

tetradic

#05133B #3B052E #3B2D05 #053B12

square

#05133B #3B052E #3B2D05 #053B12

split-complementary

#05133B #3B1205 #2E3B05

monochromatic

#02091C #02091C #05133B #0A2573 #0F37AC

Accessibility & contrast

On white

18.06

#05133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#05133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05133B

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05133B	#FFFFFF	#000000	##FFFFFF
##05133B	1.00	18.06	1.16	18.06
#FFFFFF	18.06	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#00143A

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #05133b;
/* rgb */ color: rgb(5, 19, 59);
/* oklch */ color: oklch(20.6% 0.080 264.6);

Tailwind

colors: {
  custom: {
    50: '#505071',
    500: '#05133b',
    950: '#000000',
  },
}

SCSS

$custom: #05133b;
$custom-light: #505071;
$custom-dark: #000000;

JSON

{
  "hex": "#05133b",
  "rgb": {
    "r": 5,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 224.444,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.20554,
    "c": 0.07999,
    "h": 264.6
  },
  "luminance": 0.00814
}

Semantic roles & 50–950 ramp

primary

#05133B

secondary

#7C6420

accent

#C52DFB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #05133B

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

Preview Lab → · Contrast checker → · Palette generator →