#011B2C#011B2C

#011B2C is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.2% C 0.047 H 240.2°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#011B2C
RGB	rgb(1, 27, 44)
HSL	hsl(204, 96%, 9%)
HSV	hsv(204, 98%, 17%)
CMYK	cmyk(97.7%, 38.6%, 0%, 82.7%)
CIE-LAB	lab(8.76, -2.57, -14.35)
CIE-LCH	lch(8.76, 14.57, 259.86°)
OKLab	oklab(21.2% -0.0233 -0.0408)
OKLCH	oklch(21.2% 0.047 240.2)
XYZ	xyz(0.8589, 0.9721, 2.5247)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011B2C #2C1201

analogous

#012C28 #011B2C #01062C

triadic

#011B2C #2C011B #1B2C01

tetradic

#011B2C #28012C #2C1201 #062C01

square

#011B2C #28012C #2C1201 #062C01

split-complementary

#011B2C #2C0106 #2C2801

monochromatic

#01121E #01121E #011B2C #024068 #0464A4

Accessibility & contrast

On white

17.58

#011B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#011B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011B2C

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011B2C	#FFFFFF	#000000	##FFFFFF
##011B2C	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131B2D

Deuteranopia (green-blind)

#0C172C

Tritanopia (blue-blind)

#001F21

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #011b2c;
/* rgb */ color: rgb(1, 27, 44);
/* oklch */ color: oklch(21.2% 0.047 240.2);

Tailwind

colors: {
  custom: {
    50: '#485765',
    500: '#011b2c',
    950: '#000000',
  },
}

SCSS

$custom: #011b2c;
$custom-light: #485765;
$custom-dark: #000000;

JSON

{
  "hex": "#011b2c",
  "rgb": {
    "r": 1,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 203.721,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.21202,
    "c": 0.04696,
    "h": 240.2
  },
  "luminance": 0.00972
}

Semantic roles & 50–950 ramp

primary

#011B2C

secondary

#723B17

accent

#7D29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010305

muted

#77787A

Preview Lab

Preview with #011B2C

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

Preview Lab → · Contrast checker → · Palette generator →