#011C2F#011C2F

#011C2F is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.7% C 0.050 H 242.4°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#011C2F
RGB	rgb(1, 28, 47)
HSL	hsl(205, 96%, 9%)
HSV	hsv(205, 98%, 18%)
CMYK	cmyk(97.9%, 40.4%, 0%, 81.6%)
CIE-LAB	lab(9.34, -1.86, -15.63)
CIE-LCH	lch(9.34, 15.74, 263.21°)
OKLab	oklab(21.73% -0.0232 -0.0445)
OKLCH	oklch(21.73% 0.05 242.4)
XYZ	xyz(0.9407, 1.0421, 2.8403)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011C2F #2F1401

analogous

#012F2B #011C2F #01052F

triadic

#011C2F #2F011C #1C2F01

tetradic

#011C2F #2B012F #2F1401 #052F01

square

#011C2F #2B012F #2F1401 #052F01

split-complementary

#011C2F #2F0105 #2F2B01

monochromatic

#01121E #01121E #011C2F #02406B #0463A7

Accessibility & contrast

On white

17.38

#011C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#011C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011C2F

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011C2F	#FFFFFF	#000000	##FFFFFF
##011C2F	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131D30

Deuteranopia (green-blind)

#0C182F

Tritanopia (blue-blind)

#002123

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #011c2f;
/* rgb */ color: rgb(1, 28, 47);
/* oklch */ color: oklch(21.7% 0.050 242.4);

Tailwind

colors: {
  custom: {
    50: '#495767',
    500: '#011c2f',
    950: '#000000',
  },
}

SCSS

$custom: #011c2f;
$custom-light: #495767;
$custom-dark: #000000;

JSON

{
  "hex": "#011c2f",
  "rgb": {
    "r": 1,
    "g": 28,
    "b": 47
  },
  "hsl": {
    "h": 204.783,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.21725,
    "c": 0.05018,
    "h": 242.4
  },
  "luminance": 0.01042
}

Semantic roles & 50–950 ramp

primary

#011C2F

secondary

#753E17

accent

#8129FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #011C2F

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

Preview Lab → · Contrast checker → · Palette generator →