#011C2D#011C2D

#011C2D is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.6% C 0.047 H 239.5°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#011C2D
RGB	rgb(1, 28, 45)
HSL	hsl(203, 96%, 9%)
HSV	hsv(203, 98%, 18%)
CMYK	cmyk(97.8%, 37.8%, 0%, 82.4%)
CIE-LAB	lab(9.21, -2.83, -14.37)
CIE-LCH	lch(9.21, 14.65, 258.86°)
OKLab	oklab(21.58% -0.024 -0.0408)
OKLCH	oklch(21.58% 0.047 239.5)
XYZ	xyz(0.9012, 1.0263, 2.6327)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011C2D #2D1201

analogous

#012D28 #011C2D #01062D

triadic

#011C2D #2D011C #1C2D01

tetradic

#011C2D #28012D #2D1201 #062D01

square

#011C2D #28012D #2D1201 #062D01

split-complementary

#011C2D #2D0106 #2D2801

monochromatic

#01131E #01131E #011C2D #024169 #0467A5

Accessibility & contrast

On white

17.42

#011C2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#011C2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011C2D

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011C2D	#FFFFFF	#000000	##FFFFFF
##011C2D	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141C2E

Deuteranopia (green-blind)

#0D182D

Tritanopia (blue-blind)

#002022

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #011c2d;
/* rgb */ color: rgb(1, 28, 45);
/* oklch */ color: oklch(21.6% 0.047 239.5);

Tailwind

colors: {
  custom: {
    50: '#495766',
    500: '#011c2d',
    950: '#000000',
  },
}

SCSS

$custom: #011c2d;
$custom-light: #495766;
$custom-dark: #000000;

JSON

{
  "hex": "#011c2d",
  "rgb": {
    "r": 1,
    "g": 28,
    "b": 45
  },
  "hsl": {
    "h": 203.182,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.21581,
    "c": 0.04734,
    "h": 239.5
  },
  "luminance": 0.01026
}

Semantic roles & 50–950 ramp

primary

#011C2D

secondary

#733A17

accent

#7C29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010305

muted

#77787A

Preview Lab

Preview with #011C2D

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

Preview Lab → · Contrast checker → · Palette generator →