#001D28#001D28

#001D28 is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.5% C 0.041 H 226.5°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#001D28
RGB	rgb(0, 29, 40)
HSL	hsl(197, 100%, 8%)
HSV	hsv(197, 100%, 16%)
CMYK	cmyk(100%, 27.5%, 0%, 84.3%)
CIE-LAB	lab(9.25, -6.21, -10.62)
CIE-LCH	lch(9.25, 12.30, 239.71°)
OKLab	oklab(21.51% -0.0284 -0.0299)
OKLCH	oklch(21.51% 0.041 226.5)
XYZ	xyz(0.8222, 1.0318, 2.1629)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001D28 #280B00

analogous

#00281F #001D28 #000928

triadic

#001D28 #28001D #1D2800

tetradic

#001D28 #1F0028 #280B00 #092800

square

#001D28 #1F0028 #280B00 #092800

split-complementary

#001D28 #280009 #281F00

monochromatic

#00161F #00161F #001D28 #004965 #0076A2

Accessibility & contrast

On white

17.41

#001D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#001D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001D28

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001D28	#FFFFFF	#000000	##FFFFFF
##001D28	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171C29

Deuteranopia (green-blind)

#111828

Tritanopia (blue-blind)

#002021

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #001d28;
/* rgb */ color: rgb(0, 29, 40);
/* oklch */ color: oklch(21.5% 0.041 226.5);

Tailwind

colors: {
  custom: {
    50: '#475861',
    500: '#001d28',
    950: '#000000',
  },
}

SCSS

$custom: #001d28;
$custom-light: #475861;
$custom-dark: #000000;

JSON

{
  "hex": "#001d28",
  "rgb": {
    "r": 0,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 196.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.21505,
    "c": 0.0413,
    "h": 226.5
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#001D28

secondary

#702D14

accent

#6429FF

background

#F4F5F5

surface

#E6E9EA

border

#C2C5C6

text

#000305

muted

#777879

Preview Lab

Preview with #001D28

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

Preview Lab → · Contrast checker → · Palette generator →