#05072B#05072B

#05072B is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 15.9% C 0.072 H 271.7°. Best body text is #FFFFFF at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#05072B
RGB	rgb(5, 7, 43)
HSL	hsl(237, 79%, 9%)
HSV	hsv(237, 88%, 17%)
CMYK	cmyk(88.4%, 83.7%, 0%, 83.1%)
CIE-LAB	lab(3.24, 9.57, -22.31)
CIE-LCH	lch(3.24, 24.27, 293.22°)
OKLab	oklab(15.9% 0.0021 -0.0719)
OKLCH	oklch(15.9% 0.072 271.7)
XYZ	xyz(0.5745, 0.3586, 2.3240)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.43

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05072B #2B2905

analogous

#051A2B #05072B #16052B

triadic

#05072B #2B0507 #072B05

tetradic

#05072B #2B051A #2B2905 #052B16

square

#05072B #2B051A #2B2905 #052B16

split-complementary

#05072B #2B1605 #1A2B05

monochromatic

#03041B #03041B #05072B #0B1062 #121999

Accessibility & contrast

On white

19.59

#05072B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#05072B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05072B

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05072B	#FFFFFF	#000000	##FFFFFF
##05072B	1.00	19.59	1.07	19.59
#FFFFFF	19.59	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000A2A

Tritanopia (blue-blind)

#001117

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #05072b;
/* rgb */ color: rgb(5, 7, 43);
/* oklch */ color: oklch(15.9% 0.072 271.7);

Tailwind

colors: {
  custom: {
    50: '#4a4a64',
    500: '#05072b',
    950: '#000000',
  },
}

SCSS

$custom: #05072b;
$custom-light: #4a4a64;
$custom-dark: #000000;

JSON

{
  "hex": "#05072b",
  "rgb": {
    "r": 5,
    "g": 7,
    "b": 43
  },
  "hsl": {
    "h": 236.842,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.15903,
    "c": 0.07196,
    "h": 271.7
  },
  "luminance": 0.00359
}

Semantic roles & 50–950 ramp

primary

#05072B

secondary

#6D691F

accent

#EB32F6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #05072B

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

Preview Lab → · Contrast checker → · Palette generator →