#172F67#172F67

#172F67 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.2% C 0.103 H 264.0°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#172F67
RGB	rgb(23, 47, 103)
HSL	hsl(222, 63%, 25%)
HSV	hsv(222, 78%, 40%)
CMYK	cmyk(77.7%, 54.4%, 0%, 59.6%)
CIE-LAB	lab(20.80, 12.59, -35.64)
CIE-LCH	lch(20.80, 37.80, 289.45°)
OKLab	oklab(32.17% -0.0107 -0.1025)
OKLCH	oklch(32.17% 0.103 264)
XYZ	xyz(3.8172, 3.1940, 13.2447)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172F67 #674F17

analogous

#175767 #172F67 #271767

triadic

#172F67 #67172F #2F6717

tetradic

#172F67 #671757 #674F17 #176727

square

#172F67 #671757 #674F17 #176727

split-complementary

#172F67 #672717 #576717

monochromatic

#060B19 #0C1835 #172F67 #224699 #2D5DCB

Accessibility & contrast

On white

12.81

#172F67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172F67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172F67

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172F67	#FFFFFF	#000000	##FFFFFF
##172F67	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3669

Deuteranopia (green-blind)

#002F66

Tritanopia (blue-blind)

#003C46

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172f67;
/* rgb */ color: rgb(23, 47, 103);
/* oklch */ color: oklch(32.2% 0.103 264.0);

Tailwind

colors: {
  custom: {
    50: '#616793',
    500: '#172f67',
    950: '#000000',
  },
}

SCSS

$custom: #172f67;
$custom-light: #616793;
$custom-dark: #000000;

JSON

{
  "hex": "#172f67",
  "rgb": {
    "r": 23,
    "g": 47,
    "b": 103
  },
  "hsl": {
    "h": 222,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32169,
    "c": 0.10305,
    "h": 264
  },
  "luminance": 0.03194
}

Semantic roles & 50–950 ramp

primary

#172F67

secondary

#9D803D

accent

#B541E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #172F67

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

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