#173765#173765

#173765 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 33.9% C 0.089 H 257.8°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#173765
RGB	rgb(23, 55, 101)
HSL	hsl(215, 63%, 24%)
HSV	hsv(215, 77%, 40%)
CMYK	cmyk(77.2%, 45.5%, 0%, 60.4%)
CIE-LAB	lab(23.18, 6.01, -30.52)
CIE-LCH	lch(23.18, 31.10, 281.13°)
OKLab	oklab(33.95% -0.0188 -0.0873)
OKLCH	oklch(33.95% 0.089 257.8)
XYZ	xyz(4.0676, 3.8537, 12.8389)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173765 #654517

analogous

#175E65 #173765 #1E1765

triadic

#173765 #651737 #376517

tetradic

#173765 #65175E #654517 #17651E

square

#173765 #65175E #654517 #17651E

split-complementary

#173765 #651E17 #5E6517

monochromatic

#060E19 #0C1C33 #173765 #225297 #2E6DC9

Accessibility & contrast

On white

11.86

#173765 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173765 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173765

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173765	#FFFFFF	#000000	##FFFFFF
##173765	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213B67

Deuteranopia (green-blind)

#133464

Tritanopia (blue-blind)

#004249

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173765;
/* rgb */ color: rgb(23, 55, 101);
/* oklch */ color: oklch(33.9% 0.089 257.8);

Tailwind

colors: {
  custom: {
    50: '#606d91',
    500: '#173765',
    950: '#000000',
  },
}

SCSS

$custom: #173765;
$custom-light: #606d91;
$custom-dark: #000000;

JSON

{
  "hex": "#173765",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 101
  },
  "hsl": {
    "h": 215.385,
    "s": 62.903,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33948,
    "c": 0.08928,
    "h": 257.8
  },
  "luminance": 0.03854
}

Semantic roles & 50–950 ramp

primary

#173765

secondary

#9B743C

accent

#A342E6

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05070D

muted

#7A7A7D

Preview Lab

Preview with #173765

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

Preview Lab → · Contrast checker → · Palette generator →