#173969#173969

#173969 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.093 H 257.6°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#173969
RGB	rgb(23, 57, 105)
HSL	hsl(215, 64%, 25%)
HSV	hsv(215, 78%, 41%)
CMYK	cmyk(78.1%, 45.7%, 0%, 58.8%)
CIE-LAB	lab(24.09, 6.26, -31.65)
CIE-LCH	lch(24.09, 32.27, 281.19°)
OKLab	oklab(34.74% -0.0199 -0.0906)
OKLCH	oklch(34.74% 0.093 257.6)
XYZ	xyz(4.3653, 4.1278, 13.9286)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173969 #694717

analogous

#176269 #173969 #1E1769

triadic

#173969 #691739 #396917

tetradic

#173969 #691762 #694717 #17691E

square

#173969 #691762 #694717 #17691E

split-complementary

#173969 #691E17 #626917

monochromatic

#050E19 #0C1E37 #173969 #22549B #2D70CD

Accessibility & contrast

On white

11.50

#173969 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#173969 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173969

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173969	#FFFFFF	#000000	##FFFFFF
##173969	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213D6B

Deuteranopia (green-blind)

#123668

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173969;
/* rgb */ color: rgb(23, 57, 105);
/* oklch */ color: oklch(34.7% 0.093 257.6);

Tailwind

colors: {
  custom: {
    50: '#616e94',
    500: '#173969',
    950: '#000000',
  },
}

SCSS

$custom: #173969;
$custom-light: #616e94;
$custom-dark: #000000;

JSON

{
  "hex": "#173969",
  "rgb": {
    "r": 23,
    "g": 57,
    "b": 105
  },
  "hsl": {
    "h": 215.122,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34737,
    "c": 0.09274,
    "h": 257.6
  },
  "luminance": 0.04128
}

Semantic roles & 50–950 ramp

primary

#173969

secondary

#9F763D

accent

#A241E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173969

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

Preview Lab → · Contrast checker → · Palette generator →