#172F49#172F49

#172F49 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 30.0% C 0.056 H 251.9°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#172F49
RGB	rgb(23, 47, 73)
HSL	hsl(211, 52%, 19%)
HSV	hsv(211, 68%, 29%)
CMYK	cmyk(68.5%, 35.6%, 0%, 71.4%)
CIE-LAB	lab(18.78, 0.19, -18.94)
CIE-LCH	lch(18.78, 18.94, 270.56°)
OKLab	oklab(29.96% -0.0175 -0.0535)
OKLCH	oklch(29.96% 0.056 251.9)
XYZ	xyz(2.5720, 2.6960, 6.6869)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F49 #493117

analogous

#174849 #172F49 #181749

triadic

#172F49 #49172F #2F4917

tetradic

#172F49 #491748 #493117 #174918

square

#172F49 #491748 #493117 #174918

split-complementary

#172F49 #491817 #484917

monochromatic

#070F17 #08111A #172F49 #264D78 #346BA6

Accessibility & contrast

On white

13.64

#172F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#172F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F49

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F49	#FFFFFF	#000000	##FFFFFF
##172F49	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24304A

Deuteranopia (green-blind)

#1D2C48

Tritanopia (blue-blind)

#003538

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #172f49;
/* rgb */ color: rgb(23, 47, 73);
/* oklch */ color: oklch(30.0% 0.056 251.9);

Tailwind

colors: {
  custom: {
    50: '#5a677c',
    500: '#172f49',
    950: '#000000',
  },
}

SCSS

$custom: #172f49;
$custom-light: #5a677c;
$custom-dark: #000000;

JSON

{
  "hex": "#172f49",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 73
  },
  "hsl": {
    "h": 211.2,
    "s": 52.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.29955,
    "c": 0.05629,
    "h": 251.9
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#172F49

secondary

#805F3C

accent

#974CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #172F49

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

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