#172C45#172C45

#172C45 is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.9% C 0.053 H 253.8°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#172C45
RGB	rgb(23, 44, 69)
HSL	hsl(213, 50%, 18%)
HSV	hsv(213, 67%, 27%)
CMYK	cmyk(66.7%, 36.2%, 0%, 72.9%)
CIE-LAB	lab(17.52, 0.72, -18.20)
CIE-LCH	lch(17.52, 18.21, 272.26°)
OKLab	oklab(28.89% -0.0149 -0.0514)
OKLCH	oklch(28.89% 0.054 253.8)
XYZ	xyz(2.3278, 2.4130, 5.9722)
Luminance	0.0241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C45 #453017

analogous

#174345 #172C45 #191745

triadic

#172C45 #45172C #2C4517

tetradic

#172C45 #451743 #453017 #174519

square

#172C45 #451743 #453017 #174519

split-complementary

#172C45 #451917 #434517

monochromatic

#080F17 #080F17 #172C45 #264973 #3667A1

Accessibility & contrast

On white

14.16

#172C45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#172C45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C45

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C45	#FFFFFF	#000000	##FFFFFF
##172C45	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222D46

Deuteranopia (green-blind)

#1B2944

Tritanopia (blue-blind)

#003235

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #172c45;
/* rgb */ color: rgb(23, 44, 69);
/* oklch */ color: oklch(28.9% 0.053 253.8);

Tailwind

colors: {
  custom: {
    50: '#596479',
    500: '#172c45',
    950: '#000000',
  },
}

SCSS

$custom: #172c45;
$custom-light: #596479;
$custom-dark: #000000;

JSON

{
  "hex": "#172c45",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 69
  },
  "hsl": {
    "h": 212.609,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.28891,
    "c": 0.0535,
    "h": 253.8
  },
  "luminance": 0.02413
}

Semantic roles & 50–950 ramp

primary

#172C45

secondary

#7C5F3C

accent

#9A4EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040509

muted

#797A7B

Preview Lab

Preview with #172C45

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

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