#01172C#01172C

#01172C is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.0% C 0.052 H 248.3°. Best body text is #FFFFFF at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#01172C
RGB	rgb(1, 23, 44)
HSL	hsl(209, 96%, 9%)
HSV	hsv(209, 98%, 17%)
CMYK	cmyk(97.7%, 47.7%, 0%, 82.7%)
CIE-LAB	lab(7.24, 0.49, -16.75)
CIE-LCH	lch(7.24, 16.76, 271.69°)
OKLab	oklab(19.98% -0.0191 -0.048)
OKLCH	oklch(19.98% 0.052 248.3)
XYZ	xyz(0.7734, 0.8010, 2.4962)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01172C #2C1601

analogous

#012C2C #01172C #01022C

triadic

#01172C #2C0117 #172C01

tetradic

#01172C #2C012C #2C1601 #022C01

square

#01172C #2C012C #2C1601 #022C01

split-complementary

#01172C #2C0102 #2C2C01

monochromatic

#01101E #01101E #01172C #023668 #0456A4

Accessibility & contrast

On white

18.10

#01172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#01172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01172C

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01172C	#FFFFFF	#000000	##FFFFFF
##01172C	1.00	18.10	1.16	18.10
#FFFFFF	18.10	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D182D

Deuteranopia (green-blind)

#06142C

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #01172c;
/* rgb */ color: rgb(1, 23, 44);
/* oklch */ color: oklch(20.0% 0.052 248.3);

Tailwind

colors: {
  custom: {
    50: '#485365',
    500: '#01172c',
    950: '#000000',
  },
}

SCSS

$custom: #01172c;
$custom-light: #485365;
$custom-dark: #000000;

JSON

{
  "hex": "#01172c",
  "rgb": {
    "r": 1,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 209.302,
    "s": 95.556,
    "l": 8.824
  },
  "oklch": {
    "l": 0.19981,
    "c": 0.05169,
    "h": 248.3
  },
  "luminance": 0.00801
}

Semantic roles & 50–950 ramp

primary

#01172C

secondary

#724317

accent

#9129FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #01172C

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

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