#0B3043#0B3043

#0B3043 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.053 H 235.5°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#0B3043
RGB	rgb(11, 48, 67)
HSL	hsl(200, 72%, 15%)
HSV	hsv(200, 84%, 26%)
CMYK	cmyk(83.6%, 28.4%, 0%, 73.7%)
CIE-LAB	lab(18.32, -5.27, -15.61)
CIE-LCH	lch(18.32, 16.48, 251.33°)
OKLab	oklab(29.35% -0.0302 -0.044)
OKLCH	oklch(29.35% 0.053 235.5)
XYZ	xyz(2.2077, 2.5900, 5.6927)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3043 #431E0B

analogous

#0B433A #0B3043 #0B1443

triadic

#0B3043 #430B30 #30430B

tetradic

#0B3043 #3A0B43 #431E0B #14430B

square

#0B3043 #3A0B43 #431E0B #14430B

split-complementary

#0B3043 #430B14 #433A0B

monochromatic

#04131A #04131A #0B3043 #145678 #1C7BAC

Accessibility & contrast

On white

13.83

#0B3043 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0B3043 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3043

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3043	#FFFFFF	#000000	##FFFFFF
##0B3043	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273044

Deuteranopia (green-blind)

#1F2A43

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3043;
/* rgb */ color: rgb(11, 48, 67);
/* oklch */ color: oklch(29.3% 0.053 235.5);

Tailwind

colors: {
  custom: {
    50: '#546877',
    500: '#0b3043',
    950: '#000000',
  },
}

SCSS

$custom: #0b3043;
$custom-light: #546877;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3043",
  "rgb": {
    "r": 11,
    "g": 48,
    "b": 67
  },
  "hsl": {
    "h": 200.357,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29346,
    "c": 0.05339,
    "h": 235.5
  },
  "luminance": 0.0259
}

Semantic roles & 50–950 ramp

primary

#0B3043

secondary

#80472A

accent

#7739EF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B3043

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

Preview Lab → · Contrast checker → · Palette generator →