#173874#173874

#173874 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.110 H 261.2°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#173874
RGB	rgb(23, 56, 116)
HSL	hsl(219, 67%, 27%)
HSV	hsv(219, 80%, 45%)
CMYK	cmyk(80.2%, 51.7%, 0%, 54.5%)
CIE-LAB	lab(24.55, 11.55, -37.96)
CIE-LCH	lch(24.55, 39.68, 286.93°)
OKLab	oklab(35.34% -0.017 -0.1091)
OKLCH	oklch(35.34% 0.11 261.2)
XYZ	xyz(4.9188, 4.2709, 17.0847)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173874 #745317

analogous

#176674 #173874 #251774

triadic

#173874 #741738 #387417

tetradic

#173874 #741766 #745317 #177425

square

#173874 #741766 #745317 #177425

split-complementary

#173874 #742517 #667417

monochromatic

#050C1A #0D1F41 #173874 #2151A7 #306BD6

Accessibility & contrast

On white

11.33

#173874 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#173874 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173874

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173874	#FFFFFF	#000000	##FFFFFF
##173874	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143F76

Deuteranopia (green-blind)

#003673

Tritanopia (blue-blind)

#004650

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173874;
/* rgb */ color: rgb(23, 56, 116);
/* oklch */ color: oklch(35.3% 0.110 261.2);

Tailwind

colors: {
  custom: {
    50: '#646e9c',
    500: '#173874',
    950: '#000000',
  },
}

SCSS

$custom: #173874;
$custom-light: #646e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#173874",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 116
  },
  "hsl": {
    "h": 218.71,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35337,
    "c": 0.11046,
    "h": 261.2
  },
  "luminance": 0.04271
}

Semantic roles & 50–950 ramp

primary

#173874

secondary

#A9833D

accent

#AD3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173874

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

Preview Lab → · Contrast checker → · Palette generator →