#172875#172875

#172875 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.9% C 0.133 H 268.0°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#172875
RGB	rgb(23, 40, 117)
HSL	hsl(229, 67%, 27%)
HSV	hsv(229, 80%, 46%)
CMYK	cmyk(80.3%, 65.8%, 0%, 54.1%)
CIE-LAB	lab(19.98, 23.39, -46.03)
CIE-LCH	lch(19.98, 51.63, 296.93°)
OKLab	oklab(31.92% -0.0046 -0.1331)
OKLCH	oklch(31.92% 0.133 268)
XYZ	xyz(4.3219, 2.9836, 17.1743)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172875 #756417

analogous

#175775 #172875 #351775

triadic

#172875 #751728 #287517

tetradic

#172875 #751757 #756417 #177535

square

#172875 #751757 #756417 #177535

split-complementary

#172875 #753517 #577517

monochromatic

#05091A #0D1742 #172875 #2139A8 #304ED6

Accessibility & contrast

On white

13.15

#172875 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#172875 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172875

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172875	#FFFFFF	#000000	##FFFFFF
##172875	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003577

Deuteranopia (green-blind)

#002C74

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172875;
/* rgb */ color: rgb(23, 40, 117);
/* oklch */ color: oklch(31.9% 0.133 268.0);

Tailwind

colors: {
  custom: {
    50: '#65619e',
    500: '#172875',
    950: '#000000',
  },
}

SCSS

$custom: #172875;
$custom-light: #65619e;
$custom-dark: #000000;

JSON

{
  "hex": "#172875",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 117
  },
  "hsl": {
    "h": 229.149,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31925,
    "c": 0.13321,
    "h": 268
  },
  "luminance": 0.02984
}

Semantic roles & 50–950 ramp

primary

#172875

secondary

#AA973D

accent

#CB3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172875

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

Preview Lab → · Contrast checker → · Palette generator →