#0B1F2E#0B1F2E

#0B1F2E is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 23.1% C 0.039 H 243.3°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#0B1F2E
RGB	rgb(11, 31, 46)
HSL	hsl(206, 61%, 11%)
HSV	hsv(206, 76%, 18%)
CMYK	cmyk(76.1%, 32.6%, 0%, 82%)
CIE-LAB	lab(10.91, -2.17, -12.40)
CIE-LCH	lch(10.91, 12.59, 260.06°)
OKLab	oklab(23.09% -0.0175 -0.0349)
OKLCH	oklch(23.09% 0.039 243.3)
XYZ	xyz(1.1210, 1.2483, 2.7661)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1F2E #2E1A0B

analogous

#0B2E2B #0B1F2E #0B0D2E

triadic

#0B1F2E #2E0B1F #1F2E0B

tetradic

#0B1F2E #2B0B2E #2E1A0B #0D2E0B

square

#0B1F2E #2B0B2E #2E1A0B #0D2E0B

split-complementary

#0B1F2E #2E0B0D #2E2B0B

monochromatic

#061119 #061119 #0B1F2E #17405F #236291

Accessibility & contrast

On white

16.81

#0B1F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0B1F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1F2E

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1F2E	#FFFFFF	#000000	##FFFFFF
##0B1F2E	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181F2F

Deuteranopia (green-blind)

#141C2E

Tritanopia (blue-blind)

#002324

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0b1f2e;
/* rgb */ color: rgb(11, 31, 46);
/* oklch */ color: oklch(23.1% 0.039 243.3);

Tailwind

colors: {
  custom: {
    50: '#4e5a66',
    500: '#0b1f2e',
    950: '#000000',
  },
}

SCSS

$custom: #0b1f2e;
$custom-light: #4e5a66;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1f2e",
  "rgb": {
    "r": 11,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 205.714,
    "s": 61.404,
    "l": 11.176
  },
  "oklch": {
    "l": 0.23088,
    "c": 0.03904,
    "h": 243.3
  },
  "luminance": 0.01248
}

Semantic roles & 50–950 ramp

primary

#0B1F2E

secondary

#6A462A

accent

#8843E5

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #0B1F2E

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

Preview Lab → · Contrast checker → · Palette generator →