#172D48#172D48

#172D48 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.4% C 0.057 H 254.5°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#172D48
RGB	rgb(23, 45, 72)
HSL	hsl(213, 52%, 19%)
HSV	hsv(213, 68%, 28%)
CMYK	cmyk(68.1%, 37.5%, 0%, 71.8%)
CIE-LAB	lab(18.04, 1.20, -19.43)
CIE-LCH	lch(18.04, 19.47, 273.54°)
OKLab	oklab(29.35% -0.0152 -0.0549)
OKLCH	oklch(29.35% 0.057 254.5)
XYZ	xyz(2.4610, 2.5266, 6.4876)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D48 #483217

analogous

#174548 #172D48 #191748

triadic

#172D48 #48172D #2D4817

tetradic

#172D48 #481745 #483217 #174819

square

#172D48 #481745 #483217 #174819

split-complementary

#172D48 #481917 #454817

monochromatic

#070E17 #08101A #172D48 #264A76 #3567A5

Accessibility & contrast

On white

13.95

#172D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D48

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D48	#FFFFFF	#000000	##FFFFFF
##172D48	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222F49

Deuteranopia (green-blind)

#1B2A47

Tritanopia (blue-blind)

#003337

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #172d48;
/* rgb */ color: rgb(23, 45, 72);
/* oklch */ color: oklch(29.4% 0.057 254.5);

Tailwind

colors: {
  custom: {
    50: '#59657b',
    500: '#172d48',
    950: '#000000',
  },
}

SCSS

$custom: #172d48;
$custom-light: #59657b;
$custom-dark: #000000;

JSON

{
  "hex": "#172d48",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 72
  },
  "hsl": {
    "h": 213.061,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29353,
    "c": 0.05703,
    "h": 254.5
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#172D48

secondary

#7F613C

accent

#9B4DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172D48

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

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