#0B3243#0B3243

#0B3243 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.9% C 0.052 H 231.3°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#0B3243
RGB	rgb(11, 50, 67)
HSL	hsl(198, 72%, 15%)
HSV	hsv(198, 84%, 26%)
CMYK	cmyk(83.6%, 25.4%, 0%, 73.7%)
CIE-LAB	lab(19.04, -6.61, -14.49)
CIE-LCH	lch(19.04, 15.92, 245.46°)
OKLab	oklab(29.92% -0.0326 -0.0407)
OKLCH	oklch(29.92% 0.052 231.3)
XYZ	xyz(2.2913, 2.7573, 5.7206)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3243 #431C0B

analogous

#0B4338 #0B3243 #0B1643

triadic

#0B3243 #430B32 #32430B

tetradic

#0B3243 #380B43 #431C0B #16430B

square

#0B3243 #380B43 #431C0B #16430B

split-complementary

#0B3243 #430B16 #43380B

monochromatic

#04141A #04141A #0B3243 #145978 #1C80AC

Accessibility & contrast

On white

13.53

#0B3243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0B3243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3243

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3243	#FFFFFF	#000000	##FFFFFF
##0B3243	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293144

Deuteranopia (green-blind)

#222C43

Tritanopia (blue-blind)

#003738

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0b3243;
/* rgb */ color: rgb(11, 50, 67);
/* oklch */ color: oklch(29.9% 0.052 231.3);

Tailwind

colors: {
  custom: {
    50: '#546977',
    500: '#0b3243',
    950: '#000000',
  },
}

SCSS

$custom: #0b3243;
$custom-light: #546977;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3243",
  "rgb": {
    "r": 11,
    "g": 50,
    "b": 67
  },
  "hsl": {
    "h": 198.214,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.29923,
    "c": 0.05216,
    "h": 231.3
  },
  "luminance": 0.02758
}

Semantic roles & 50–950 ramp

primary

#0B3243

secondary

#80442A

accent

#7039EF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B3243

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

Preview Lab → · Contrast checker → · Palette generator →