#172E6A#172E6A

#172E6A is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.2% C 0.109 H 265.0°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#172E6A
RGB	rgb(23, 46, 106)
HSL	hsl(223, 64%, 25%)
HSV	hsv(223, 78%, 42%)
CMYK	cmyk(78.3%, 56.6%, 0%, 58.4%)
CIE-LAB	lab(20.74, 14.56, -37.70)
CIE-LCH	lch(20.74, 40.41, 291.12°)
OKLab	oklab(32.19% -0.0095 -0.1086)
OKLCH	oklch(32.19% 0.109 265)
XYZ	xyz(3.9309, 3.1763, 14.0388)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E6A #6A5317

analogous

#17586A #172E6A #29176A

triadic

#172E6A #6A172E #2E6A17

tetradic

#172E6A #6A1758 #6A5317 #176A29

square

#172E6A #6A1758 #6A5317 #176A29

split-complementary

#172E6A #6A2917 #586A17

monochromatic

#050B19 #0C1838 #172E6A #22449C #2D5ACF

Accessibility & contrast

On white

12.84

#172E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E6A

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E6A	#FFFFFF	#000000	##FFFFFF
##172E6A	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02366C

Deuteranopia (green-blind)

#002E69

Tritanopia (blue-blind)

#003D47

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172e6a;
/* rgb */ color: rgb(23, 46, 106);
/* oklch */ color: oklch(32.2% 0.109 265.0);

Tailwind

colors: {
  custom: {
    50: '#616695',
    500: '#172e6a',
    950: '#000000',
  },
}

SCSS

$custom: #172e6a;
$custom-light: #616695;
$custom-dark: #000000;

JSON

{
  "hex": "#172e6a",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 106
  },
  "hsl": {
    "h": 223.373,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.32192,
    "c": 0.10899,
    "h": 265
  },
  "luminance": 0.03177
}

Semantic roles & 50–950 ramp

primary

#172E6A

secondary

#A0853D

accent

#B940E7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172E6A

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

Preview Lab → · Contrast checker → · Palette generator →