#010F19#010F19

#010F19 is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 16.0% C 0.032 H 236.7°. Best body text is #FFFFFF at 19.38:1 contrast (WCAG AA passes).

Color values

HEX	#010F19
RGB	rgb(1, 15, 25)
HSL	hsl(205, 92%, 5%)
HSV	hsv(205, 96%, 10%)
CMYK	cmyk(96%, 40%, 0%, 90.2%)
CIE-LAB	lab(3.78, -1.59, -7.52)
CIE-LCH	lch(3.78, 7.69, 258.07°)
OKLab	oklab(15.98% -0.0175 -0.0266)
OKLCH	oklch(15.98% 0.032 236.7)
XYZ	xyz(0.3587, 0.4182, 0.9813)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F19 #190B01

analogous

#011917 #010F19 #010319

triadic

#010F19 #19010F #0F1901

tetradic

#010F19 #170119 #190B01 #031901

square

#010F19 #170119 #190B01 #031901

split-complementary

#010F19 #190103 #191701

monochromatic

#01121D #01121D #01121D #033254 #06568F

Accessibility & contrast

On white

19.38

#010F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F19

19.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F19	#FFFFFF	#000000	##FFFFFF
##010F19	1.00	19.38	1.08	19.38
#FFFFFF	19.38	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0F19

Deuteranopia (green-blind)

#070C19

Tritanopia (blue-blind)

#001212

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010f19;
/* rgb */ color: rgb(1, 15, 25);
/* oklch */ color: oklch(16.0% 0.032 236.7);

Tailwind

colors: {
  custom: {
    50: '#474e55',
    500: '#010f19',
    950: '#000000',
  },
}

SCSS

$custom: #010f19;
$custom-light: #474e55;
$custom-dark: #000000;

JSON

{
  "hex": "#010f19",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 25
  },
  "hsl": {
    "h": 205,
    "s": 92.308,
    "l": 5.098
  },
  "oklch": {
    "l": 0.15983,
    "c": 0.03181,
    "h": 236.7
  },
  "luminance": 0.00418
}

Semantic roles & 50–950 ramp

primary

#010F19

secondary

#613515

accent

#8229FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000103

muted

#777778

Preview Lab

Preview with #010F19

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

Preview Lab → · Contrast checker → · Palette generator →