#172775#172775

#172775 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.7% C 0.134 H 268.3°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#172775
RGB	rgb(23, 39, 117)
HSL	hsl(230, 67%, 27%)
HSV	hsv(230, 80%, 46%)
CMYK	cmyk(80.3%, 66.7%, 0%, 54.1%)
CIE-LAB	lab(19.71, 24.09, -46.47)
CIE-LCH	lch(19.71, 52.34, 297.40°)
OKLab	oklab(31.73% -0.0039 -0.1344)
OKLCH	oklch(31.73% 0.134 268.3)
XYZ	xyz(4.2886, 2.9171, 17.1632)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172775 #756517

analogous

#175675 #172775 #361775

triadic

#172775 #751727 #277517

tetradic

#172775 #751756 #756517 #177536

square

#172775 #751756 #756517 #177536

split-complementary

#172775 #753617 #567517

monochromatic

#05091A #0D1642 #172775 #2138A8 #304CD6

Accessibility & contrast

On white

13.26

#172775 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#172775 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172775

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172775	#FFFFFF	#000000	##FFFFFF
##172775	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003477

Deuteranopia (green-blind)

#002B74

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172775;
/* rgb */ color: rgb(23, 39, 117);
/* oklch */ color: oklch(31.7% 0.134 268.3);

Tailwind

colors: {
  custom: {
    50: '#65619e',
    500: '#172775',
    950: '#000000',
  },
}

SCSS

$custom: #172775;
$custom-light: #65619e;
$custom-dark: #000000;

JSON

{
  "hex": "#172775",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 117
  },
  "hsl": {
    "h": 229.787,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31727,
    "c": 0.13449,
    "h": 268.3
  },
  "luminance": 0.02918
}

Semantic roles & 50–950 ramp

primary

#172775

secondary

#AA983D

accent

#CD3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172775

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

Preview Lab → · Contrast checker → · Palette generator →