#173774#173774

#173774 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.1% C 0.112 H 261.7°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#173774
RGB	rgb(23, 55, 116)
HSL	hsl(219, 67%, 27%)
HSV	hsv(219, 80%, 45%)
CMYK	cmyk(80.2%, 52.6%, 0%, 54.5%)
CIE-LAB	lab(24.24, 12.27, -38.46)
CIE-LCH	lch(24.24, 40.37, 287.69°)
OKLab	oklab(35.1% -0.0161 -0.1106)
OKLCH	oklch(35.1% 0.112 261.7)
XYZ	xyz(4.8708, 4.1749, 17.0687)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173774 #745417

analogous

#176574 #173774 #261774

triadic

#173774 #741737 #377417

tetradic

#173774 #741765 #745417 #177426

square

#173774 #741765 #745417 #177426

split-complementary

#173774 #742617 #657417

monochromatic

#050C1A #0D1F41 #173774 #214FA7 #3069D6

Accessibility & contrast

On white

11.44

#173774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173774

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173774	#FFFFFF	#000000	##FFFFFF
##173774	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#113E76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173774;
/* rgb */ color: rgb(23, 55, 116);
/* oklch */ color: oklch(35.1% 0.112 261.7);

Tailwind

colors: {
  custom: {
    50: '#646d9c',
    500: '#173774',
    950: '#000000',
  },
}

SCSS

$custom: #173774;
$custom-light: #646d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#173774",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 116
  },
  "hsl": {
    "h": 219.355,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35103,
    "c": 0.1118,
    "h": 261.7
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#173774

secondary

#A9843D

accent

#AF3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173774

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

Preview Lab → · Contrast checker → · Palette generator →