#050731#050731

#050731 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.7% C 0.082 H 270.8°. Best body text is #FFFFFF at 19.42:1 contrast (WCAG AA passes).

Color values

HEX	#050731
RGB	rgb(5, 7, 49)
HSL	hsl(237, 81%, 11%)
HSV	hsv(237, 90%, 19%)
CMYK	cmyk(89.8%, 85.7%, 0%, 80.8%)
CIE-LAB	lab(3.67, 12.58, -26.14)
CIE-LCH	lch(3.67, 29.01, 295.69°)
OKLab	oklab(16.67% 0.0012 -0.0815)
OKLCH	oklch(16.67% 0.082 270.8)
XYZ	xyz(0.6928, 0.4059, 2.9470)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050731 #312F05

analogous

#051D31 #050731 #190531

triadic

#050731 #310507 #073105

tetradic

#050731 #31051D #312F05 #053119

square

#050731 #31051D #312F05 #053119

split-complementary

#050731 #311905 #1D3105

monochromatic

#03041C #03041C #050731 #0B0F69 #1017A0

Accessibility & contrast

On white

19.42

#050731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#050731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050731

19.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050731	#FFFFFF	#000000	##FFFFFF
##050731	1.00	19.42	1.08	19.42
#FFFFFF	19.42	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F32

Deuteranopia (green-blind)

#000B30

Tritanopia (blue-blind)

#00131B

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #050731;
/* rgb */ color: rgb(5, 7, 49);
/* oklch */ color: oklch(16.7% 0.082 270.8);

Tailwind

colors: {
  custom: {
    50: '#4b4969',
    500: '#050731',
    950: '#000000',
  },
}

SCSS

$custom: #050731;
$custom-light: #4b4969;
$custom-dark: #000000;

JSON

{
  "hex": "#050731",
  "rgb": {
    "r": 5,
    "g": 7,
    "b": 49
  },
  "hsl": {
    "h": 237.273,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.16667,
    "c": 0.0815,
    "h": 270.8
  },
  "luminance": 0.00406
}

Semantic roles & 50–950 ramp

primary

#050731

secondary

#726F1F

accent

#EF30F8

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #050731

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

Preview Lab → · Contrast checker → · Palette generator →