#05212F#05212F

#05212F is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.5% C 0.043 H 234.2°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#05212F
RGB	rgb(5, 33, 47)
HSL	hsl(200, 81%, 10%)
HSV	hsv(200, 89%, 18%)
CMYK	cmyk(89.4%, 29.8%, 0%, 81.6%)
CIE-LAB	lab(11.45, -4.56, -12.30)
CIE-LCH	lch(11.45, 13.12, 249.65°)
OKLab	oklab(23.46% -0.025 -0.0347)
OKLCH	oklch(23.46% 0.043 234.2)
XYZ	xyz(1.1193, 1.3251, 2.8855)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05212F #2F1305

analogous

#052F28 #05212F #050C2F

triadic

#05212F #2F0521 #212F05

tetradic

#05212F #28052F #2F1305 #0C2F05

square

#05212F #28052F #2F1305 #0C2F05

split-complementary

#05212F #2F050C #2F2805

monochromatic

#03131C #03131C #05212F #0B4866 #116F9E

Accessibility & contrast

On white

16.60

#05212F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#05212F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05212F

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05212F	#FFFFFF	#000000	##FFFFFF
##05212F	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2130

Deuteranopia (green-blind)

#141D2F

Tritanopia (blue-blind)

#002526

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #05212f;
/* rgb */ color: rgb(5, 33, 47);
/* oklch */ color: oklch(23.5% 0.043 234.2);

Tailwind

colors: {
  custom: {
    50: '#4c5c67',
    500: '#05212f',
    950: '#000000',
  },
}

SCSS

$custom: #05212f;
$custom-light: #4c5c67;
$custom-dark: #000000;

JSON

{
  "hex": "#05212f",
  "rgb": {
    "r": 5,
    "g": 33,
    "b": 47
  },
  "hsl": {
    "h": 200,
    "s": 80.769,
    "l": 10.196
  },
  "oklch": {
    "l": 0.23458,
    "c": 0.04275,
    "h": 234.2
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#05212F

secondary

#713A1F

accent

#7331F7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #05212F

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

Preview Lab → · Contrast checker → · Palette generator →