#011B23#011B23

#011B23 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.6% C 0.036 H 220.9°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#011B23
RGB	rgb(1, 27, 35)
HSL	hsl(194, 94%, 7%)
HSV	hsv(194, 97%, 14%)
CMYK	cmyk(97.1%, 22.9%, 0%, 86.3%)
CIE-LAB	lab(8.23, -6.49, -8.48)
CIE-LCH	lch(8.23, 10.68, 232.57°)
OKLab	oklab(20.61% -0.0275 -0.0238)
OKLCH	oklch(20.61% 0.036 220.9)
XYZ	xyz(0.7077, 0.9116, 1.7284)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011B23 #230901

analogous

#01231A #011B23 #010A23

triadic

#011B23 #23011B #1B2301

tetradic

#011B23 #1A0123 #230901 #0A2301

square

#011B23 #1A0123 #230901 #0A2301

split-complementary

#011B23 #23010A #231A01

monochromatic

#01171E #01171E #011B23 #03495F #04779A

Accessibility & contrast

On white

17.76

#011B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#011B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011B23

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011B23	#FFFFFF	#000000	##FFFFFF
##011B23	1.00	17.76	1.18	17.76
#FFFFFF	17.76	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161A23

Deuteranopia (green-blind)

#111623

Tritanopia (blue-blind)

#001E1E

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #011b23;
/* rgb */ color: rgb(1, 27, 35);
/* oklch */ color: oklch(20.6% 0.036 220.9);

Tailwind

colors: {
  custom: {
    50: '#47575d',
    500: '#011b23',
    950: '#000000',
  },
}

SCSS

$custom: #011b23;
$custom-light: #47575d;
$custom-dark: #000000;

JSON

{
  "hex": "#011b23",
  "rgb": {
    "r": 1,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 194.118,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.2061,
    "c": 0.03634,
    "h": 220.9
  },
  "luminance": 0.00912
}

Semantic roles & 50–950 ramp

primary

#011B23

secondary

#6A2A16

accent

#5B29FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #011B23

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

Preview Lab → · Contrast checker → · Palette generator →