#172E48#172E48

#172E48 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.056 H 252.8°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#172E48
RGB	rgb(23, 46, 72)
HSL	hsl(212, 52%, 19%)
HSV	hsv(212, 68%, 28%)
CMYK	cmyk(68.1%, 36.1%, 0%, 71.8%)
CIE-LAB	lab(18.38, 0.49, -18.89)
CIE-LCH	lch(18.38, 18.89, 271.49°)
OKLab	oklab(29.62% -0.0165 -0.0534)
OKLCH	oklch(29.62% 0.056 252.8)
XYZ	xyz(2.4996, 2.6038, 6.5005)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E48 #483117

analogous

#174648 #172E48 #181748

triadic

#172E48 #48172E #2E4817

tetradic

#172E48 #481746 #483117 #174818

square

#172E48 #481746 #483117 #174818

split-complementary

#172E48 #481817 #464817

monochromatic

#070F17 #08101A #172E48 #264C76 #3569A5

Accessibility & contrast

On white

13.81

#172E48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172E48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E48

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E48	#FFFFFF	#000000	##FFFFFF
##172E48	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232F49

Deuteranopia (green-blind)

#1C2B47

Tritanopia (blue-blind)

#003437

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172e48;
/* rgb */ color: rgb(23, 46, 72);
/* oklch */ color: oklch(29.6% 0.056 252.8);

Tailwind

colors: {
  custom: {
    50: '#59667b',
    500: '#172e48',
    950: '#000000',
  },
}

SCSS

$custom: #172e48;
$custom-light: #59667b;
$custom-dark: #000000;

JSON

{
  "hex": "#172e48",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 72
  },
  "hsl": {
    "h": 211.837,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29622,
    "c": 0.05587,
    "h": 252.8
  },
  "luminance": 0.02604
}

Semantic roles & 50–950 ramp

primary

#172E48

secondary

#7F5F3C

accent

#984DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172E48

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

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