#052F3B#052F3B

#052F3B is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.4% C 0.049 H 221.9°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#052F3B
RGB	rgb(5, 47, 59)
HSL	hsl(193, 84%, 13%)
HSV	hsv(193, 92%, 23%)
CMYK	cmyk(91.5%, 20.3%, 0%, 76.9%)
CIE-LAB	lab(17.37, -8.90, -11.60)
CIE-LCH	lch(17.37, 14.62, 232.50°)
OKLab	oklab(28.4% -0.0362 -0.0325)
OKLCH	oklch(28.4% 0.049 221.9)
XYZ	xyz(1.8682, 2.3808, 4.4979)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#052F3B #3B1105

analogous

#053B2C #052F3B #05143B

triadic

#052F3B #3B052F #2F3B05

tetradic

#052F3B #2C053B #3B1105 #143B05

square

#052F3B #2C053B #3B1105 #143B05

split-complementary

#052F3B #3B0514 #3B2C05

monochromatic

#02161C #02161C #052F3B #0A5C73 #0F89AC

Accessibility & contrast

On white

14.23

#052F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#052F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #052F3B

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##052F3B	#FFFFFF	#000000	##FFFFFF
##052F3B	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282E3C

Deuteranopia (green-blind)

#21283B

Tritanopia (blue-blind)

#003333

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #052f3b;
/* rgb */ color: rgb(5, 47, 59);
/* oklch */ color: oklch(28.4% 0.049 221.9);

Tailwind

colors: {
  custom: {
    50: '#506771',
    500: '#052f3b',
    950: '#000000',
  },
}

SCSS

$custom: #052f3b;
$custom-light: #506771;
$custom-dark: #000000;

JSON

{
  "hex": "#052f3b",
  "rgb": {
    "r": 5,
    "g": 47,
    "b": 59
  },
  "hsl": {
    "h": 193.333,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.28402,
    "c": 0.04865,
    "h": 221.9
  },
  "luminance": 0.02381
}

Semantic roles & 50–950 ramp

primary

#052F3B

secondary

#7C3420

accent

#5B2DFB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #052F3B

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

Preview Lab → · Contrast checker → · Palette generator →