#172B67#172B67

#172B67 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.3% C 0.109 H 266.2°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#172B67
RGB	rgb(23, 43, 103)
HSL	hsl(225, 63%, 25%)
HSV	hsv(225, 78%, 40%)
CMYK	cmyk(77.7%, 58.3%, 0%, 59.6%)
CIE-LAB	lab(19.59, 15.50, -37.60)
CIE-LCH	lch(19.59, 40.67, 292.40°)
OKLab	oklab(31.25% -0.0072 -0.1083)
OKLCH	oklch(31.25% 0.109 266.2)
XYZ	xyz(3.6646, 2.8888, 13.1938)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B67 #675317

analogous

#175367 #172B67 #2B1767

triadic

#172B67 #67172B #2B6717

tetradic

#172B67 #671753 #675317 #17672B

square

#172B67 #671753 #675317 #17672B

split-complementary

#172B67 #672B17 #536717

monochromatic

#060A19 #0C1635 #172B67 #224099 #2D55CB

Accessibility & contrast

On white

13.31

#172B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#172B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B67

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B67	#FFFFFF	#000000	##FFFFFF
##172B67	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003369

Deuteranopia (green-blind)

#002C66

Tritanopia (blue-blind)

#003A44

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172b67;
/* rgb */ color: rgb(23, 43, 103);
/* oklch */ color: oklch(31.3% 0.109 266.2);

Tailwind

colors: {
  custom: {
    50: '#616393',
    500: '#172b67',
    950: '#000000',
  },
}

SCSS

$custom: #172b67;
$custom-light: #616393;
$custom-dark: #000000;

JSON

{
  "hex": "#172b67",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 103
  },
  "hsl": {
    "h": 225,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.31252,
    "c": 0.10858,
    "h": 266.2
  },
  "luminance": 0.02889
}

Semantic roles & 50–950 ramp

primary

#172B67

secondary

#9D853D

accent

#BD41E7

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#05050D

muted

#7A797E

Preview Lab

Preview with #172B67

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

Preview Lab → · Contrast checker → · Palette generator →