#051040#051040

#051040 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.092 H 266.5°. Best body text is #FFFFFF at 18.19:1 contrast (WCAG AA passes).

Color values

HEX	#051040
RGB	rgb(5, 16, 64)
HSL	hsl(229, 86%, 14%)
HSV	hsv(229, 92%, 25%)
CMYK	cmyk(92.2%, 75%, 0%, 74.9%)
CIE-LAB	lab(6.98, 16.49, -31.69)
CIE-LCH	lch(6.98, 35.73, 297.48°)
OKLab	oklab(20.42% -0.0056 -0.0921)
OKLCH	oklch(20.42% 0.092 266.5)
XYZ	xyz(1.1730, 0.7729, 4.9369)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051040 #403505

analogous

#052D40 #051040 #170540

triadic

#051040 #400510 #104005

tetradic

#051040 #40052D #403505 #054017

square

#051040 #40052D #403505 #054017

split-complementary

#051040 #401705 #2D4005

monochromatic

#02071C #02071C #051040 #091E79 #0E2CB2

Accessibility & contrast

On white

18.19

#051040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#051040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051040

18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051040	#FFFFFF	#000000	##FFFFFF
##051040	1.00	18.19	1.15	18.19
#FFFFFF	18.19	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001842

Deuteranopia (green-blind)

#00133F

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #051040;
/* rgb */ color: rgb(5, 16, 64);
/* oklch */ color: oklch(20.4% 0.092 266.5);

Tailwind

colors: {
  custom: {
    50: '#524d75',
    500: '#051040',
    950: '#000000',
  },
}

SCSS

$custom: #051040;
$custom-light: #524d75;
$custom-dark: #000000;

JSON

{
  "hex": "#051040",
  "rgb": {
    "r": 5,
    "g": 16,
    "b": 64
  },
  "hsl": {
    "h": 228.814,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20423,
    "c": 0.09222,
    "h": 266.5
  },
  "luminance": 0.00773
}

Semantic roles & 50–950 ramp

primary

#051040

secondary

#816F20

accent

#D52CFC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #051040

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

Preview Lab → · Contrast checker → · Palette generator →