#05122F#05122F

#05122F is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.1% C 0.061 H 262.6°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#05122F
RGB	rgb(5, 18, 47)
HSL	hsl(221, 81%, 10%)
HSV	hsv(221, 89%, 18%)
CMYK	cmyk(89.4%, 61.7%, 0%, 81.6%)
CIE-LAB	lab(6.05, 6.35, -20.85)
CIE-LCH	lch(6.05, 21.79, 286.94°)
OKLab	oklab(19.1% -0.0079 -0.0609)
OKLCH	oklch(19.1% 0.061 262.6)
XYZ	xyz(0.7918, 0.6700, 2.7764)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05122F #2F2205

analogous

#05272F #05122F #0D052F

triadic

#05122F #2F0512 #122F05

tetradic

#05122F #2F0527 #2F2205 #052F0D

square

#05122F #2F0527 #2F2205 #052F0D

split-complementary

#05122F #2F0D05 #272F05

monochromatic

#030B1C #030B1C #05122F #0B2766 #113C9E

Accessibility & contrast

On white

18.52

#05122F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#05122F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05122F

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05122F	#FFFFFF	#000000	##FFFFFF
##05122F	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031530

Deuteranopia (green-blind)

#00122E

Tritanopia (blue-blind)

#00191E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #05122f;
/* rgb */ color: rgb(5, 18, 47);
/* oklch */ color: oklch(19.1% 0.061 262.6);

Tailwind

colors: {
  custom: {
    50: '#4b4f68',
    500: '#05122f',
    950: '#000000',
  },
}

SCSS

$custom: #05122f;
$custom-light: #4b4f68;
$custom-dark: #000000;

JSON

{
  "hex": "#05122f",
  "rgb": {
    "r": 5,
    "g": 18,
    "b": 47
  },
  "hsl": {
    "h": 221.429,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.19096,
    "c": 0.06139,
    "h": 262.6
  },
  "luminance": 0.0067
}

Semantic roles & 50–950 ramp

primary

#05122F

secondary

#71571F

accent

#BA31F7

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #05122F

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

Preview Lab → · Contrast checker → · Palette generator →