#172C43#172C43

#172C43 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.8% C 0.050 H 251.9°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#172C43
RGB	rgb(23, 44, 67)
HSL	hsl(211, 49%, 18%)
HSV	hsv(211, 66%, 26%)
CMYK	cmyk(65.7%, 34.3%, 0%, 73.7%)
CIE-LAB	lab(17.41, -0.07, -17.00)
CIE-LCH	lch(17.41, 17.00, 269.75°)
OKLab	oklab(28.77% -0.0156 -0.0479)
OKLCH	oklch(28.77% 0.05 251.9)
XYZ	xyz(2.2668, 2.3886, 5.6507)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C43 #432E17

analogous

#174243 #172C43 #181743

triadic

#172C43 #43172C #2C4317

tetradic

#172C43 #431742 #432E17 #174318

square

#172C43 #431742 #432E17 #174318

split-complementary

#172C43 #431817 #424317

monochromatic

#080F17 #080F17 #172C43 #274A71 #36689E

Accessibility & contrast

On white

14.21

#172C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C43

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C43	#FFFFFF	#000000	##FFFFFF
##172C43	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222D44

Deuteranopia (green-blind)

#1D2943

Tritanopia (blue-blind)

#003134

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172c43;
/* rgb */ color: rgb(23, 44, 67);
/* oklch */ color: oklch(28.8% 0.050 251.9);

Tailwind

colors: {
  custom: {
    50: '#586477',
    500: '#172c43',
    950: '#000000',
  },
}

SCSS

$custom: #172c43;
$custom-light: #586477;
$custom-dark: #000000;

JSON

{
  "hex": "#172c43",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 67
  },
  "hsl": {
    "h": 211.364,
    "s": 48.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.28765,
    "c": 0.05039,
    "h": 251.9
  },
  "luminance": 0.02389
}

Semantic roles & 50–950 ramp

primary

#172C43

secondary

#7A5C3C

accent

#974FD8

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040508

muted

#797A7B

Preview Lab

Preview with #172C43

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

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