#172D67#172D67

#172D67 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.106 H 265.2°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#172D67
RGB	rgb(23, 45, 103)
HSL	hsl(224, 63%, 25%)
HSV	hsv(224, 78%, 40%)
CMYK	cmyk(77.7%, 56.3%, 0%, 59.6%)
CIE-LAB	lab(20.19, 14.04, -36.63)
CIE-LCH	lch(20.19, 39.23, 290.97°)
OKLab	oklab(31.71% -0.0089 -0.1054)
OKLCH	oklch(31.71% 0.106 265.2)
XYZ	xyz(3.7391, 3.0378, 13.2186)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172D67 #675117

analogous

#175567 #172D67 #291767

triadic

#172D67 #67172D #2D6717

tetradic

#172D67 #671755 #675117 #176729

square

#172D67 #671755 #675117 #176729

split-complementary

#172D67 #672917 #556717

monochromatic

#060B19 #0C1735 #172D67 #224399 #2D59CB

Accessibility & contrast

On white

13.06

#172D67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172D67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172D67

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172D67	#FFFFFF	#000000	##FFFFFF
##172D67	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043569

Deuteranopia (green-blind)

#002D66

Tritanopia (blue-blind)

#003B45

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172d67;
/* rgb */ color: rgb(23, 45, 103);
/* oklch */ color: oklch(31.7% 0.106 265.2);

Tailwind

colors: {
  custom: {
    50: '#616593',
    500: '#172d67',
    950: '#000000',
  },
}

SCSS

$custom: #172d67;
$custom-light: #616593;
$custom-dark: #000000;

JSON

{
  "hex": "#172d67",
  "rgb": {
    "r": 23,
    "g": 45,
    "b": 103
  },
  "hsl": {
    "h": 223.5,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31706,
    "c": 0.10582,
    "h": 265.2
  },
  "luminance": 0.03038
}

Semantic roles & 50–950 ramp

primary

#172D67

secondary

#9D833D

accent

#B941E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05050D

muted

#7A7A7E

Preview Lab

Preview with #172D67

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

Preview Lab → · Contrast checker → · Palette generator →