#001B29#001B29

#001B29 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.9% C 0.044 H 234.0°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#001B29
RGB	rgb(0, 27, 41)
HSL	hsl(200, 100%, 8%)
HSV	hsv(200, 100%, 16%)
CMYK	cmyk(100%, 34.1%, 0%, 83.9%)
CIE-LAB	lab(8.52, -4.26, -12.52)
CIE-LCH	lch(8.52, 13.22, 251.21°)
OKLab	oklab(20.93% -0.0257 -0.0354)
OKLCH	oklch(20.93% 0.044 234)
XYZ	xyz(0.7920, 0.9439, 2.2378)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B29 #290E00

analogous

#002922 #001B29 #000629

triadic

#001B29 #29001B #1B2900

tetradic

#001B29 #220029 #290E00 #062900

square

#001B29 #220029 #290E00 #062900

split-complementary

#001B29 #290006 #292200

monochromatic

#00141F #00141F #001B29 #004366 #006CA3

Accessibility & contrast

On white

17.66

#001B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#001B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B29

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B29	#FFFFFF	#000000	##FFFFFF
##001B29	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141B2A

Deuteranopia (green-blind)

#0E1729

Tritanopia (blue-blind)

#001F20

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #001b29;
/* rgb */ color: rgb(0, 27, 41);
/* oklch */ color: oklch(20.9% 0.044 234.0);

Tailwind

colors: {
  custom: {
    50: '#475762',
    500: '#001b29',
    950: '#000000',
  },
}

SCSS

$custom: #001b29;
$custom-light: #475762;
$custom-dark: #000000;

JSON

{
  "hex": "#001b29",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 200.488,
    "s": 100,
    "l": 8.039
  },
  "oklch": {
    "l": 0.20932,
    "c": 0.04381,
    "h": 234
  },
  "luminance": 0.00944
}

Semantic roles & 50–950 ramp

primary

#001B29

secondary

#713414

accent

#7229FF

background

#F4F5F5

surface

#E6E9EA

border

#C2C5C6

text

#000305

muted

#777879

Preview Lab

Preview with #001B29

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

Preview Lab → · Contrast checker → · Palette generator →