#0B2833#0B2833

#0B2833 is a dark, muted cyan. Relative luminance 0.018; OKLCH L 26.1% C 0.040 H 226.5°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#0B2833
RGB	rgb(11, 40, 51)
HSL	hsl(197, 65%, 12%)
HSV	hsv(197, 78%, 20%)
CMYK	cmyk(78.4%, 21.6%, 0%, 80%)
CIE-LAB	lab(14.56, -6.45, -10.33)
CIE-LCH	lch(14.56, 12.18, 238.02°)
OKLab	oklab(26.07% -0.0274 -0.0289)
OKLCH	oklch(26.07% 0.04 226.5)
XYZ	xyz(1.4941, 1.8276, 3.4053)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2833 #33160B

analogous

#0B332A #0B2833 #0B1433

triadic

#0B2833 #330B28 #28330B

tetradic

#0B2833 #2A0B33 #33160B #14330B

square

#0B2833 #2A0B33 #33160B #14330B

split-complementary

#0B2833 #330B14 #332A0B

monochromatic

#051419 #051419 #0B2833 #164F65 #217798

Accessibility & contrast

On white

15.38

#0B2833 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0B2833 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2833

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2833	#FFFFFF	#000000	##FFFFFF
##0B2833	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222734

Deuteranopia (green-blind)

#1C2333

Tritanopia (blue-blind)

#002B2C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b2833;
/* rgb */ color: rgb(11, 40, 51);
/* oklch */ color: oklch(26.1% 0.040 226.5);

Tailwind

colors: {
  custom: {
    50: '#50616a',
    500: '#0b2833',
    950: '#000000',
  },
}

SCSS

$custom: #0b2833;
$custom-light: #50616a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2833",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 51
  },
  "hsl": {
    "h": 196.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.26073,
    "c": 0.0398,
    "h": 226.5
  },
  "luminance": 0.01828
}

Semantic roles & 50–950 ramp

primary

#0B2833

secondary

#703D2A

accent

#6E40E8

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020506

muted

#78797A

Preview Lab

Preview with #0B2833

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

Preview Lab → · Contrast checker → · Palette generator →