#172B44#172B44

#172B44 is a dark, muted cyan. Relative luminance 0.023; OKLCH L 28.6% C 0.053 H 254.8°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#172B44
RGB	rgb(23, 43, 68)
HSL	hsl(213, 49%, 18%)
HSV	hsv(213, 66%, 27%)
CMYK	cmyk(66.2%, 36.8%, 0%, 73.3%)
CIE-LAB	lab(17.12, 1.03, -18.14)
CIE-LCH	lch(17.12, 18.17, 273.26°)
OKLab	oklab(28.56% -0.0139 -0.0512)
OKLCH	oklch(28.56% 0.053 254.8)
XYZ	xyz(2.2602, 2.3271, 5.7978)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B44 #443017

analogous

#174144 #172B44 #191744

triadic

#172B44 #44172B #2B4417

tetradic

#172B44 #441741 #443017 #174419

square

#172B44 #441741 #443017 #174419

split-complementary

#172B44 #441917 #414417

monochromatic

#080E17 #080E17 #172B44 #264872 #36659F

Accessibility & contrast

On white

14.33

#172B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#172B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B44

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B44	#FFFFFF	#000000	##FFFFFF
##172B44	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212D45

Deuteranopia (green-blind)

#1B2843

Tritanopia (blue-blind)

#003134

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #172b44;
/* rgb */ color: rgb(23, 43, 68);
/* oklch */ color: oklch(28.6% 0.053 254.8);

Tailwind

colors: {
  custom: {
    50: '#596478',
    500: '#172b44',
    950: '#000000',
  },
}

SCSS

$custom: #172b44;
$custom-light: #596478;
$custom-dark: #000000;

JSON

{
  "hex": "#172b44",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 68
  },
  "hsl": {
    "h": 213.333,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.28557,
    "c": 0.05309,
    "h": 254.8
  },
  "luminance": 0.02327
}

Semantic roles & 50–950 ramp

primary

#172B44

secondary

#7B5F3C

accent

#9C4FD9

background

#F5F5F7

surface

#E9EAED

border

#C5C6C8

text

#040509

muted

#79797B

Preview Lab

Preview with #172B44

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

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