#172D94#172D94

#172D94 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.169 H 267.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#172D94
RGB	rgb(23, 45, 148)
HSL	hsl(229, 73%, 34%)
HSV	hsv(229, 84%, 58%)
CMYK	cmyk(84.5%, 69.6%, 0%, 42%)
CIE-LAB	lab(24.31, 32.13, -58.39)
CIE-LCH	lch(24.31, 66.65, 298.82°)
OKLab	oklab(36.03% -0.0089 -0.1692)
OKLCH	oklch(36.03% 0.169 267)
XYZ	xyz(6.6352, 4.1962, 28.4715)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D94 #947E17

analogous

#176B94 #172D94 #3F1794

triadic

#172D94 #94172D #2D9417

tetradic

#172D94 #94176B #947E17 #17943F

square

#172D94 #94176B #947E17 #17943F

split-complementary

#172D94 #943F17 #6B9417

monochromatic

#070D2A #0F1D5F #172D94 #1F3DC9 #445FE2

Accessibility & contrast

On white

11.42

#172D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#172D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D94

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D94	#FFFFFF	#000000	##FFFFFF
##172D94	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004097

Deuteranopia (green-blind)

#003492

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #172d94;
/* rgb */ color: rgb(23, 45, 148);
/* oklch */ color: oklch(36.0% 0.169 267.0);

Tailwind

colors: {
  custom: {
    50: '#6d66b4',
    500: '#172d94',
    950: '#000000',
  },
}

SCSS

$custom: #172d94;
$custom-light: #6d66b4;
$custom-dark: #000000;

JSON

{
  "hex": "#172d94",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 148
  },
  "hsl": {
    "h": 229.44,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36027,
    "c": 0.16945,
    "h": 267
  },
  "luminance": 0.04197
}

Semantic roles & 50–950 ramp

primary

#172D94

secondary

#C3AC44

accent

#CF38F0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #172D94

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

Preview Lab → · Contrast checker → · Palette generator →