#010F17#010F17

#010F17 is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 15.8% C 0.029 H 230.7°. Best body text is #FFFFFF at 19.41:1 contrast (WCAG AA passes).

Color values

HEX	#010F17
RGB	rgb(1, 15, 23)
HSL	hsl(202, 92%, 5%)
HSV	hsv(202, 96%, 9%)
CMYK	cmyk(95.7%, 34.8%, 0%, 91%)
CIE-LAB	lab(3.70, -2.12, -6.09)
CIE-LCH	lch(3.70, 6.44, 250.81°)
OKLab	oklab(15.84% -0.0184 -0.0225)
OKLCH	oklch(15.84% 0.029 230.7)
XYZ	xyz(0.3379, 0.4099, 0.8718)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F17 #170901

analogous

#011714 #010F17 #010417

triadic

#010F17 #17010F #0F1701

tetradic

#010F17 #140117 #170901 #041701

square

#010F17 #140117 #170901 #041701

split-complementary

#010F17 #170104 #171401

monochromatic

#01131D #01131D #01131D #043552 #065C8C

Accessibility & contrast

On white

19.41

#010F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F17

19.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F17	#FFFFFF	#000000	##FFFFFF
##010F17	1.00	19.41	1.08	19.41
#FFFFFF	19.41	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0F17

Deuteranopia (green-blind)

#070C17

Tritanopia (blue-blind)

#001112

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010f17;
/* rgb */ color: rgb(1, 15, 23);
/* oklch */ color: oklch(15.8% 0.029 230.7);

Tailwind

colors: {
  custom: {
    50: '#474e53',
    500: '#010f17',
    950: '#000000',
  },
}

SCSS

$custom: #010f17;
$custom-light: #474e53;
$custom-dark: #000000;

JSON

{
  "hex": "#010f17",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 23
  },
  "hsl": {
    "h": 201.818,
    "s": 91.667,
    "l": 4.706
  },
  "oklch": {
    "l": 0.15842,
    "c": 0.02912,
    "h": 230.7
  },
  "luminance": 0.0041
}

Semantic roles & 50–950 ramp

primary

#010F17

secondary

#5F3015

accent

#7729FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #010F17

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

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