#172A36#172A36

#172A36 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.5% C 0.033 H 237.5°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#172A36
RGB	rgb(23, 42, 54)
HSL	hsl(203, 40%, 15%)
HSV	hsv(203, 57%, 21%)
CMYK	cmyk(57.4%, 22.2%, 0%, 78.8%)
CIE-LAB	lab(16.03, -3.62, -10.13)
CIE-LCH	lch(16.03, 10.76, 250.35°)
OKLab	oklab(27.45% -0.018 -0.0282)
OKLCH	oklch(27.45% 0.033 237.5)
XYZ	xyz(1.8469, 2.1043, 3.7982)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172A36 #362317

analogous

#173633 #172A36 #171A36

triadic

#172A36 #36172A #2A3617

tetradic

#172A36 #331736 #362317 #1A3617

square

#172A36 #331736 #362317 #1A3617

split-complementary

#172A36 #36171A #363317

monochromatic

#091115 #091115 #172A36 #294B61 #3C6D8C

Accessibility & contrast

On white

14.78

#172A36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#172A36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172A36

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172A36	#FFFFFF	#000000	##FFFFFF
##172A36	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252A37

Deuteranopia (green-blind)

#202636

Tritanopia (blue-blind)

#082D2E

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #172a36;
/* rgb */ color: rgb(23, 42, 54);
/* oklch */ color: oklch(27.5% 0.033 237.5);

Tailwind

colors: {
  custom: {
    50: '#56636d',
    500: '#172a36',
    950: '#000000',
  },
}

SCSS

$custom: #172a36;
$custom-light: #56636d;
$custom-dark: #000000;

JSON

{
  "hex": "#172a36",
  "rgb": {
    "r": 23,
    "g": 42,
    "b": 54
  },
  "hsl": {
    "h": 203.226,
    "s": 40.26,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27453,
    "c": 0.03341,
    "h": 237.5
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#172A36

secondary

#6C4F3D

accent

#8658D0

background

#F5F5F6

surface

#E9EAEB

border

#C5C6C6

text

#030507

muted

#78797A

Preview Lab

Preview with #172A36

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

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