#05233C#05233C

#05233C is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.9% C 0.059 H 247.8°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#05233C
RGB	rgb(5, 35, 60)
HSL	hsl(207, 85%, 13%)
HSV	hsv(207, 92%, 24%)
CMYK	cmyk(91.7%, 41.7%, 0%, 76.5%)
CIE-LAB	lab(12.99, -0.12, -19.16)
CIE-LCH	lch(12.99, 19.16, 269.65°)
OKLab	oklab(24.93% -0.0223 -0.0546)
OKLCH	oklch(24.93% 0.059 247.8)
XYZ	xyz(1.4789, 1.5604, 4.4973)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05233C #3C1E05

analogous

#053C39 #05233C #05073C

triadic

#05233C #3C0523 #233C05

tetradic

#05233C #39053C #3C1E05 #073C05

square

#05233C #39053C #3C1E05 #073C05

split-complementary

#05233C #3C0507 #3C3905

monochromatic

#02101C #02101C #05233C #0A4474 #0E65AD

Accessibility & contrast

On white

16.00

#05233C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#05233C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05233C

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05233C	#FFFFFF	#000000	##FFFFFF
##05233C	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243D

Deuteranopia (green-blind)

#0F1F3C

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #05233c;
/* rgb */ color: rgb(5, 35, 60);
/* oklch */ color: oklch(24.9% 0.059 247.8);

Tailwind

colors: {
  custom: {
    50: '#4f5d72',
    500: '#05233c',
    950: '#000000',
  },
}

SCSS

$custom: #05233c;
$custom-light: #4f5d72;
$custom-dark: #000000;

JSON

{
  "hex": "#05233c",
  "rgb": {
    "r": 5,
    "g": 35,
    "b": 60
  },
  "hsl": {
    "h": 207.273,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24933,
    "c": 0.05897,
    "h": 247.8
  },
  "luminance": 0.01561
}

Semantic roles & 50–950 ramp

primary

#05233C

secondary

#7D4A20

accent

#8B2DFB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #05233C

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

Preview Lab → · Contrast checker → · Palette generator →