#0B1827#0B1827

#0B1827 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.035 H 253.0°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#0B1827
RGB	rgb(11, 24, 39)
HSL	hsl(212, 56%, 10%)
HSV	hsv(212, 72%, 15%)
CMYK	cmyk(71.8%, 38.5%, 0%, 84.7%)
CIE-LAB	lab(7.87, 0.12, -12.00)
CIE-LCH	lch(7.87, 12.00, 270.59°)
OKLab	oklab(20.56% -0.0103 -0.0338)
OKLCH	oklch(20.56% 0.035 253)
XYZ	xyz(0.8307, 0.8708, 2.0434)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1827 #271A0B

analogous

#0B2627 #0B1827 #0C0B27

triadic

#0B1827 #270B18 #18270B

tetradic

#0B1827 #270B26 #271A0B #0B270C

square

#0B1827 #270B26 #271A0B #0B270C

split-complementary

#0B1827 #270C0B #26270B

monochromatic

#070F18 #070F18 #0B1827 #183557 #265386

Accessibility & contrast

On white

17.88

#0B1827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B1827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1827

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1827	#FFFFFF	#000000	##FFFFFF
##0B1827	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121928

Deuteranopia (green-blind)

#0E1627

Tritanopia (blue-blind)

#001B1D

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b1827;
/* rgb */ color: rgb(11, 24, 39);
/* oklch */ color: oklch(20.6% 0.035 253.0);

Tailwind

colors: {
  custom: {
    50: '#4c5461',
    500: '#0b1827',
    950: '#000000',
  },
}

SCSS

$custom: #0b1827;
$custom-light: #4c5461;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1827",
  "rgb": {
    "r": 11,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 212.143,
    "s": 56,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20557,
    "c": 0.03533,
    "h": 253
  },
  "luminance": 0.00871
}

Semantic roles & 50–950 ramp

primary

#0B1827

secondary

#63492B

accent

#9949DF

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010205

muted

#777879

Preview Lab

Preview with #0B1827

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

Preview Lab → · Contrast checker → · Palette generator →