#173673#173673

#173673 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.112 H 262.1°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#173673
RGB	rgb(23, 54, 115)
HSL	hsl(220, 67%, 27%)
HSV	hsv(220, 80%, 45%)
CMYK	cmyk(80%, 53%, 0%, 54.9%)
CIE-LAB	lab(23.86, 12.56, -38.43)
CIE-LCH	lch(23.86, 40.43, 288.10°)
OKLab	oklab(34.79% -0.0154 -0.1106)
OKLCH	oklch(34.79% 0.112 262.1)
XYZ	xyz(4.7659, 4.0578, 16.7484)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173673 #735417

analogous

#176473 #173673 #261773

triadic

#173673 #731736 #367317

tetradic

#173673 #731764 #735417 #177326

square

#173673 #731764 #735417 #177326

split-complementary

#173673 #732617 #647317

monochromatic

#050C1A #0D1E40 #173673 #214EA6 #2F67D5

Accessibility & contrast

On white

11.59

#173673 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#173673 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173673

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173673	#FFFFFF	#000000	##FFFFFF
##173673	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103D75

Deuteranopia (green-blind)

#003572

Tritanopia (blue-blind)

#00454F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173673;
/* rgb */ color: rgb(23, 54, 115);
/* oklch */ color: oklch(34.8% 0.112 262.1);

Tailwind

colors: {
  custom: {
    50: '#636c9c',
    500: '#173673',
    950: '#000000',
  },
}

SCSS

$custom: #173673;
$custom-light: #636c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#173673",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 115
  },
  "hsl": {
    "h": 219.783,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34789,
    "c": 0.11165,
    "h": 262.1
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#173673

secondary

#A9843D

accent

#B03EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173673

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

Preview Lab → · Contrast checker → · Palette generator →