#050F40#050F40

#050F40 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.094 H 266.9°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#050F40
RGB	rgb(5, 15, 64)
HSL	hsl(230, 86%, 14%)
HSV	hsv(230, 92%, 25%)
CMYK	cmyk(92.2%, 76.6%, 0%, 74.9%)
CIE-LAB	lab(6.72, 17.14, -32.12)
CIE-LCH	lch(6.72, 36.41, 298.08°)
OKLab	oklab(20.21% -0.0051 -0.0934)
OKLCH	oklch(20.21% 0.094 266.9)
XYZ	xyz(1.1585, 0.7439, 4.9320)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#050F40 #403605

analogous

#052C40 #050F40 #180540

triadic

#050F40 #40050F #0F4005

tetradic

#050F40 #40052C #403605 #054018

square

#050F40 #40052C #403605 #054018

split-complementary

#050F40 #401805 #2C4005

monochromatic

#02071C #02071C #050F40 #091C79 #0E2AB2

Accessibility & contrast

On white

18.28

#050F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#050F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #050F40

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##050F40	#FFFFFF	#000000	##FFFFFF
##050F40	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00123F

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #050f40;
/* rgb */ color: rgb(5, 15, 64);
/* oklch */ color: oklch(20.2% 0.094 266.9);

Tailwind

colors: {
  custom: {
    50: '#524d75',
    500: '#050f40',
    950: '#000000',
  },
}

SCSS

$custom: #050f40;
$custom-light: #524d75;
$custom-dark: #000000;

JSON

{
  "hex": "#050f40",
  "rgb": {
    "r": 5,
    "g": 15,
    "b": 64
  },
  "hsl": {
    "h": 229.831,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20211,
    "c": 0.09359,
    "h": 266.9
  },
  "luminance": 0.00744
}

Semantic roles & 50–950 ramp

primary

#050F40

secondary

#817020

accent

#D92CFC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #050F40

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

Preview Lab → · Contrast checker → · Palette generator →