#0B243E#0B243E

#0B243E is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.6% C 0.058 H 251.9°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#0B243E
RGB	rgb(11, 36, 62)
HSL	hsl(211, 70%, 14%)
HSV	hsv(211, 82%, 24%)
CMYK	cmyk(82.3%, 41.9%, 0%, 75.7%)
CIE-LAB	lab(13.71, 1.08, -19.40)
CIE-LCH	lch(13.71, 19.43, 273.19°)
OKLab	oklab(25.61% -0.0181 -0.0552)
OKLCH	oklch(25.61% 0.058 251.9)
XYZ	xyz(1.6381, 1.6805, 4.7945)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B243E #3E250B

analogous

#0B3E3E #0B243E #0C0B3E

triadic

#0B243E #3E0B24 #243E0B

tetradic

#0B243E #3E0B3E #3E250B #0B3E0C

square

#0B243E #3E0B3E #3E250B #0B3E0C

split-complementary

#0B243E #3E0C0B #3E3E0B

monochromatic

#050F1A #050F1A #0B243E #144272 #1D60A6

Accessibility & contrast

On white

15.72

#0B243E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0B243E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B243E

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B243E	#FFFFFF	#000000	##FFFFFF
##0B243E	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18263F

Deuteranopia (green-blind)

#11213D

Tritanopia (blue-blind)

#002A2E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0b243e;
/* rgb */ color: rgb(11, 36, 62);
/* oklch */ color: oklch(25.6% 0.058 251.9);

Tailwind

colors: {
  custom: {
    50: '#525e73',
    500: '#0b243e',
    950: '#000000',
  },
}

SCSS

$custom: #0b243e;
$custom-light: #525e73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b243e",
  "rgb": {
    "r": 11,
    "g": 36,
    "b": 62
  },
  "hsl": {
    "h": 210.588,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25612,
    "c": 0.05807,
    "h": 251.9
  },
  "luminance": 0.01681
}

Semantic roles & 50–950 ramp

primary

#0B243E

secondary

#7B532A

accent

#963BED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #0B243E

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

Preview Lab → · Contrast checker → · Palette generator →