#052539#052539

#052539 is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.3% C 0.052 H 240.9°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#052539
RGB	rgb(5, 37, 57)
HSL	hsl(203, 84%, 12%)
HSV	hsv(203, 91%, 22%)
CMYK	cmyk(91.2%, 35.1%, 0%, 77.6%)
CIE-LAB	lab(13.54, -2.95, -16.18)
CIE-LCH	lch(13.54, 16.44, 259.68°)
OKLab	oklab(25.31% -0.0256 -0.0458)
OKLCH	oklch(25.31% 0.053 240.9)
XYZ	xyz(1.4624, 1.6506, 4.1116)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#052539 #391905

analogous

#053933 #052539 #050B39

triadic

#052539 #390525 #253905

tetradic

#052539 #330539 #391905 #0B3905

square

#052539 #330539 #391905 #0B3905

split-complementary

#052539 #39050B #393305

monochromatic

#02121C #02121C #052539 #0A4A71 #0F6EAA

Accessibility & contrast

On white

15.79

#052539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#052539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #052539

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##052539	#FFFFFF	#000000	##FFFFFF
##052539	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C253A

Deuteranopia (green-blind)

#142039

Tritanopia (blue-blind)

#002A2C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #052539;
/* rgb */ color: rgb(5, 37, 57);
/* oklch */ color: oklch(25.3% 0.052 240.9);

Tailwind

colors: {
  custom: {
    50: '#4e5f6f',
    500: '#052539',
    950: '#000000',
  },
}

SCSS

$custom: #052539;
$custom-light: #4e5f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#052539",
  "rgb": {
    "r": 5,
    "g": 37,
    "b": 57
  },
  "hsl": {
    "h": 203.077,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.25305,
    "c": 0.0525,
    "h": 240.9
  },
  "luminance": 0.01651
}

Semantic roles & 50–950 ramp

primary

#052539

secondary

#7A4220

accent

#7C2EFA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #052539

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

Preview Lab → · Contrast checker → · Palette generator →