#001D2B#001D2B

#001D2B is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 21.7% C 0.045 H 232.7°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#001D2B
RGB	rgb(0, 29, 43)
HSL	hsl(200, 100%, 8%)
HSV	hsv(200, 100%, 17%)
CMYK	cmyk(100%, 32.6%, 0%, 83.1%)
CIE-LAB	lab(9.43, -4.79, -12.57)
CIE-LCH	lch(9.43, 13.45, 249.12°)
OKLab	oklab(21.7% -0.027 -0.0356)
OKLCH	oklch(21.7% 0.045 232.7)
XYZ	xyz(0.8752, 1.0530, 2.4422)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001D2B #2B0E00

analogous

#002B23 #001D2B #00072B

triadic

#001D2B #2B001D #1D2B00

tetradic

#001D2B #23002B #2B0E00 #072B00

square

#001D2B #23002B #2B0E00 #072B00

split-complementary

#001D2B #2B0007 #2B2300

monochromatic

#00151F #00151F #001D2B #004668 #0070A5

Accessibility & contrast

On white

17.35

#001D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#001D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001D2B

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001D2B	#FFFFFF	#000000	##FFFFFF
##001D2B	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161D2C

Deuteranopia (green-blind)

#10182B

Tritanopia (blue-blind)

#002122

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #001d2b;
/* rgb */ color: rgb(0, 29, 43);
/* oklch */ color: oklch(21.7% 0.045 232.7);

Tailwind

colors: {
  custom: {
    50: '#485864',
    500: '#001d2b',
    950: '#000000',
  },
}

SCSS

$custom: #001d2b;
$custom-light: #485864;
$custom-dark: #000000;

JSON

{
  "hex": "#001d2b",
  "rgb": {
    "r": 0,
    "g": 29,
    "b": 43
  },
  "hsl": {
    "h": 199.535,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.21699,
    "c": 0.04468,
    "h": 232.7
  },
  "luminance": 0.01053
}

Semantic roles & 50–950 ramp

primary

#001D2B

secondary

#733314

accent

#6F29FF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #001D2B

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

Preview Lab → · Contrast checker → · Palette generator →