#0B243C#0B243C

#0B243C is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.5% C 0.055 H 250.1°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#0B243C
RGB	rgb(11, 36, 60)
HSL	hsl(209, 69%, 14%)
HSV	hsv(209, 82%, 24%)
CMYK	cmyk(81.7%, 40%, 0%, 76.5%)
CIE-LAB	lab(13.59, 0.20, -18.19)
CIE-LCH	lch(13.59, 18.20, 270.62°)
OKLab	oklab(25.47% -0.0187 -0.0517)
OKLCH	oklch(25.47% 0.055 250.1)
XYZ	xyz(1.5842, 1.6590, 4.5108)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B243C #3C230B

analogous

#0B3C3C #0B243C #0B0C3C

triadic

#0B243C #3C0B24 #243C0B

tetradic

#0B243C #3C0B3C #3C230B #0C3C0B

square

#0B243C #3C0B3C #3C230B #0C3C0B

split-complementary

#0B243C #3C0B0C #3C3C0B

monochromatic

#05101A #05101A #0B243C #144370 #1E62A3

Accessibility & contrast

On white

15.77

#0B243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0B243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B243C

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B243C	#FFFFFF	#000000	##FFFFFF
##0B243C	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19253D

Deuteranopia (green-blind)

#12213C

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0b243c;
/* rgb */ color: rgb(11, 36, 60);
/* oklch */ color: oklch(25.5% 0.055 250.1);

Tailwind

colors: {
  custom: {
    50: '#515e72',
    500: '#0b243c',
    950: '#000000',
  },
}

SCSS

$custom: #0b243c;
$custom-light: #515e72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b243c",
  "rgb": {
    "r": 11,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 209.388,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.2547,
    "c": 0.05496,
    "h": 250.1
  },
  "luminance": 0.01659
}

Semantic roles & 50–950 ramp

primary

#0B243C

secondary

#79512A

accent

#923CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0B243C

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

Preview Lab → · Contrast checker → · Palette generator →