#0B2840#0B2840

#0B2840 is a dark, muted cyan. Relative luminance 0.020; OKLCH L 26.9% C 0.056 H 247.0°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#0B2840
RGB	rgb(11, 40, 64)
HSL	hsl(207, 71%, 15%)
HSV	hsv(207, 83%, 25%)
CMYK	cmyk(82.8%, 37.5%, 0%, 74.9%)
CIE-LAB	lab(15.27, -0.97, -18.33)
CIE-LCH	lch(15.27, 18.36, 266.98°)
OKLab	oklab(26.87% -0.022 -0.052)
OKLCH	oklch(26.87% 0.056 247)
XYZ	xyz(1.8219, 1.9587, 5.1315)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2840 #40230B

analogous

#0B403E #0B2840 #0B0D40

triadic

#0B2840 #400B28 #28400B

tetradic

#0B2840 #3E0B40 #40230B #0D400B

square

#0B2840 #3E0B40 #40230B #0D400B

split-complementary

#0B2840 #400B0D #403E0B

monochromatic

#04101A #04101A #0B2840 #144974 #1D69A8

Accessibility & contrast

On white

15.09

#0B2840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#0B2840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2840

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2840	#FFFFFF	#000000	##FFFFFF
##0B2840	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2941

Deuteranopia (green-blind)

#162440

Tritanopia (blue-blind)

#002E31

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #0b2840;
/* rgb */ color: rgb(11, 40, 64);
/* oklch */ color: oklch(26.9% 0.056 247.0);

Tailwind

colors: {
  custom: {
    50: '#526175',
    500: '#0b2840',
    950: '#000000',
  },
}

SCSS

$custom: #0b2840;
$custom-light: #526175;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2840",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 64
  },
  "hsl": {
    "h": 207.17,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.26874,
    "c": 0.05648,
    "h": 247
  },
  "luminance": 0.01959
}

Semantic roles & 50–950 ramp

primary

#0B2840

secondary

#7D502A

accent

#8B3AED

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0B2840

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

Preview Lab → · Contrast checker → · Palette generator →