#172138#172138

#172138 is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.1% C 0.046 H 265.4°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#172138
RGB	rgb(23, 33, 56)
HSL	hsl(222, 42%, 15%)
HSV	hsv(222, 59%, 22%)
CMYK	cmyk(58.9%, 41.1%, 0%, 78%)
CIE-LAB	lab(12.96, 3.62, -16.32)
CIE-LCH	lch(12.96, 16.72, 282.52°)
OKLab	oklab(25.08% -0.0037 -0.046)
OKLCH	oklch(25.08% 0.046 265.4)
XYZ	xyz(1.6108, 1.5553, 3.9559)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172138 #382E17

analogous

#173138 #172138 #1D1738

triadic

#172138 #381721 #213817

tetradic

#172138 #381731 #382E17 #17381D

square

#172138 #381731 #382E17 #17381D

split-complementary

#172138 #381D17 #313817

monochromatic

#090D16 #090D16 #172138 #293B63 #3B548F

Accessibility & contrast

On white

16.02

#172138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#172138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172138

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172138	#FFFFFF	#000000	##FFFFFF
##172138	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182339

Deuteranopia (green-blind)

#142037

Tritanopia (blue-blind)

#082629

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #172138;
/* rgb */ color: rgb(23, 33, 56);
/* oklch */ color: oklch(25.1% 0.046 265.4);

Tailwind

colors: {
  custom: {
    50: '#565b6e',
    500: '#172138',
    950: '#000000',
  },
}

SCSS

$custom: #172138;
$custom-light: #565b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#172138",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 56
  },
  "hsl": {
    "h": 221.818,
    "s": 41.772,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25082,
    "c": 0.04616,
    "h": 265.4
  },
  "luminance": 0.01555
}

Semantic roles & 50–950 ramp

primary

#172138

secondary

#6E5F3C

accent

#AC56D2

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #172138

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

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