#173772#173772

#173772 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.9% C 0.109 H 261.3°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#173772
RGB	rgb(23, 55, 114)
HSL	hsl(219, 66%, 27%)
HSV	hsv(219, 80%, 45%)
CMYK	cmyk(79.8%, 51.8%, 0%, 55.3%)
CIE-LAB	lab(24.09, 11.43, -37.42)
CIE-LCH	lch(24.09, 39.13, 286.98°)
OKLab	oklab(34.94% -0.0164 -0.1076)
OKLCH	oklch(34.94% 0.109 261.3)
XYZ	xyz(4.7557, 4.1289, 16.4626)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173772 #725217

analogous

#176572 #173772 #251772

triadic

#173772 #721737 #377217

tetradic

#173772 #721765 #725217 #177225

square

#173772 #721765 #725217 #177225

split-complementary

#173772 #722517 #657217

monochromatic

#050C19 #0D1E3F #173772 #2150A5 #2E69D5

Accessibility & contrast

On white

11.50

#173772 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#173772 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173772

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173772	#FFFFFF	#000000	##FFFFFF
##173772	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)

#143E74

Deuteranopia (green-blind)

#003571

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173772;
/* rgb */ color: rgb(23, 55, 114);
/* oklch */ color: oklch(34.9% 0.109 261.3);

Tailwind

colors: {
  custom: {
    50: '#636d9b',
    500: '#173772',
    950: '#000000',
  },
}

SCSS

$custom: #173772;
$custom-light: #636d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#173772",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 114
  },
  "hsl": {
    "h": 218.901,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34943,
    "c": 0.10882,
    "h": 261.3
  },
  "luminance": 0.04129
}

Semantic roles & 50–950 ramp

primary

#173772

secondary

#A8823D

accent

#AD3EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173772

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

Preview Lab → · Contrast checker → · Palette generator →