#172F48#172F48

#172F48 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.055 H 251.0°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#172F48
RGB	rgb(23, 47, 72)
HSL	hsl(211, 52%, 19%)
HSV	hsv(211, 68%, 28%)
CMYK	cmyk(68.1%, 34.7%, 0%, 71.8%)
CIE-LAB	lab(18.73, -0.21, -18.35)
CIE-LCH	lch(18.73, 18.35, 269.34°)
OKLab	oklab(29.89% -0.0178 -0.0518)
OKLCH	oklch(29.89% 0.055 251)
XYZ	xyz(2.5391, 2.6828, 6.5137)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F48 #483017

analogous

#174748 #172F48 #171748

triadic

#172F48 #48172F #2F4817

tetradic

#172F48 #481747 #483017 #174817

square

#172F48 #481747 #483017 #174817

split-complementary

#172F48 #481717 #474817

monochromatic

#070F17 #08111A #172F48 #264D76 #356CA5

Accessibility & contrast

On white

13.67

#172F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#172F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F48

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F48	#FFFFFF	#000000	##FFFFFF
##172F48	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243049

Deuteranopia (green-blind)

#1E2B48

Tritanopia (blue-blind)

#003538

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172f48;
/* rgb */ color: rgb(23, 47, 72);
/* oklch */ color: oklch(29.9% 0.055 251.0);

Tailwind

colors: {
  custom: {
    50: '#59677b',
    500: '#172f48',
    950: '#000000',
  },
}

SCSS

$custom: #172f48;
$custom-light: #59677b;
$custom-dark: #000000;

JSON

{
  "hex": "#172f48",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 72
  },
  "hsl": {
    "h": 210.612,
    "s": 51.579,
    "l": 18.627
  },
  "oklch": {
    "l": 0.29892,
    "c": 0.05476,
    "h": 251
  },
  "luminance": 0.02683
}

Semantic roles & 50–950 ramp

primary

#172F48

secondary

#7F5E3C

accent

#954DDB

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #172F48

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

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