#172575#172575

#172575 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.137 H 268.9°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#172575
RGB	rgb(23, 37, 117)
HSL	hsl(231, 67%, 27%)
HSV	hsv(231, 80%, 46%)
CMYK	cmyk(80.3%, 68.4%, 0%, 54.1%)
CIE-LAB	lab(19.18, 25.48, -47.34)
CIE-LCH	lch(19.18, 53.76, 298.29°)
OKLab	oklab(31.34% -0.0027 -0.137)
OKLCH	oklch(31.34% 0.137 268.9)
XYZ	xyz(4.2247, 2.7892, 17.1419)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172575 #756717

analogous

#175475 #172575 #381775

triadic

#172575 #751725 #257517

tetradic

#172575 #751754 #756717 #177538

square

#172575 #751754 #756717 #177538

split-complementary

#172575 #753817 #547517

monochromatic

#05081A #0D1542 #172575 #2135A8 #3049D6

Accessibility & contrast

On white

13.48

#172575 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172575 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172575

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172575	#FFFFFF	#000000	##FFFFFF
##172575	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003378

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003A49

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172575;
/* rgb */ color: rgb(23, 37, 117);
/* oklch */ color: oklch(31.3% 0.137 268.9);

Tailwind

colors: {
  custom: {
    50: '#655f9e',
    500: '#172575',
    950: '#000000',
  },
}

SCSS

$custom: #172575;
$custom-light: #655f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#172575",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 117
  },
  "hsl": {
    "h": 231.064,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31338,
    "c": 0.13702,
    "h": 268.9
  },
  "luminance": 0.0279
}

Semantic roles & 50–950 ramp

primary

#172575

secondary

#AA9A3D

accent

#D03EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #172575

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

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