#172D62#172D62

#172D62 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.3% C 0.098 H 264.4°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#172D62
RGB	rgb(23, 45, 98)
HSL	hsl(222, 62%, 24%)
HSV	hsv(222, 77%, 38%)
CMYK	cmyk(76.5%, 54.1%, 0%, 61.6%)
CIE-LAB	lab(19.80, 11.95, -33.99)
CIE-LCH	lch(19.80, 36.03, 289.37°)
OKLab	oklab(31.29% -0.0095 -0.0977)
OKLCH	oklch(31.29% 0.098 264.4)
XYZ	xyz(3.4956, 2.9404, 11.9362)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D62 #624C17

analogous

#175262 #172D62 #261762

triadic

#172D62 #62172D #2D6217

tetradic

#172D62 #621752 #624C17 #176226

square

#172D62 #621752 #624C17 #176226

split-complementary

#172D62 #622617 #526217

monochromatic

#060B19 #0B1630 #172D62 #234494 #2E5BC5

Accessibility & contrast

On white

13.22

#172D62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#172D62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D62

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D62	#FFFFFF	#000000	##FFFFFF
##172D62	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3464

Deuteranopia (green-blind)

#002D61

Tritanopia (blue-blind)

#003A43

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172d62;
/* rgb */ color: rgb(23, 45, 98);
/* oklch */ color: oklch(31.3% 0.098 264.4);

Tailwind

colors: {
  custom: {
    50: '#5f658f',
    500: '#172d62',
    950: '#000000',
  },
}

SCSS

$custom: #172d62;
$custom-light: #5f658f;
$custom-dark: #000000;

JSON

{
  "hex": "#172d62",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 98
  },
  "hsl": {
    "h": 222.4,
    "s": 61.983,
    "l": 23.725
  },
  "oklch": {
    "l": 0.31285,
    "c": 0.09813,
    "h": 264.4
  },
  "luminance": 0.02941
}

Semantic roles & 50–950 ramp

primary

#172D62

secondary

#997D3C

accent

#B543E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #172D62

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

Preview Lab → · Contrast checker → · Palette generator →