#01172E#01172E

#01172E is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.1% C 0.055 H 250.3°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#01172E
RGB	rgb(1, 23, 46)
HSL	hsl(211, 96%, 9%)
HSV	hsv(211, 98%, 18%)
CMYK	cmyk(97.8%, 50%, 0%, 82%)
CIE-LAB	lab(7.37, 1.47, -18.01)
CIE-LCH	lch(7.37, 18.07, 274.67°)
OKLab	oklab(20.15% -0.0185 -0.0517)
OKLCH	oklch(20.15% 0.055 250.3)
XYZ	xyz(0.8119, 0.8164, 2.6990)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01172E #2E1801

analogous

#012E2E #01172E #02012E

triadic

#01172E #2E0117 #172E01

tetradic

#01172E #2E012E #2E1801 #012E02

square

#01172E #2E012E #2E1801 #012E02

split-complementary

#01172E #2E0201 #2E2E01

monochromatic

#010F1E #010F1E #01172E #02356A #0453A6

Accessibility & contrast

On white

18.05

#01172E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#01172E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01172E

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01172E	#FFFFFF	#000000	##FFFFFF
##01172E	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B192F

Deuteranopia (green-blind)

#04142E

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #01172e;
/* rgb */ color: rgb(1, 23, 46);
/* oklch */ color: oklch(20.1% 0.055 250.3);

Tailwind

colors: {
  custom: {
    50: '#495367',
    500: '#01172e',
    950: '#000000',
  },
}

SCSS

$custom: #01172e;
$custom-light: #495367;
$custom-dark: #000000;

JSON

{
  "hex": "#01172e",
  "rgb": {
    "r": 1,
    "g": 23,
    "b": 46
  },
  "hsl": {
    "h": 210.667,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.20145,
    "c": 0.05489,
    "h": 250.3
  },
  "luminance": 0.00817
}

Semantic roles & 50–950 ramp

primary

#01172E

secondary

#744617

accent

#9629FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #01172E

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

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