#172F6D#172F6D

#172F6D is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.112 H 264.8°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#172F6D
RGB	rgb(23, 47, 109)
HSL	hsl(223, 65%, 26%)
HSV	hsv(223, 79%, 43%)
CMYK	cmyk(78.9%, 56.9%, 0%, 57.3%)
CIE-LAB	lab(21.28, 15.09, -38.76)
CIE-LCH	lch(21.28, 41.60, 291.27°)
OKLab	oklab(32.68% -0.0101 -0.1117)
OKLCH	oklch(32.68% 0.112 264.8)
XYZ	xyz(4.1292, 3.3189, 14.8880)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F6D #6D5517

analogous

#175A6D #172F6D #2A176D

triadic

#172F6D #6D172F #2F6D17

tetradic

#172F6D #6D175A #6D5517 #176D2A

square

#172F6D #6D175A #6D5517 #176D2A

split-complementary

#172F6D #6D2A17 #5A6D17

monochromatic

#050B19 #0C193A #172F6D #2245A0 #2C5BD2

Accessibility & contrast

On white

12.62

#172F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#172F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F6D

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F6D	#FFFFFF	#000000	##FFFFFF
##172F6D	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00376F

Deuteranopia (green-blind)

#002F6C

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172f6d;
/* rgb */ color: rgb(23, 47, 109);
/* oklch */ color: oklch(32.7% 0.112 264.8);

Tailwind

colors: {
  custom: {
    50: '#626797',
    500: '#172f6d',
    950: '#000000',
  },
}

SCSS

$custom: #172f6d;
$custom-light: #626797;
$custom-dark: #000000;

JSON

{
  "hex": "#172f6d",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 109
  },
  "hsl": {
    "h": 223.256,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.32678,
    "c": 0.11214,
    "h": 264.8
  },
  "luminance": 0.03319
}

Semantic roles & 50–950 ramp

primary

#172F6D

secondary

#A3863D

accent

#B940E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #172F6D

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

Preview Lab → · Contrast checker → · Palette generator →