#173776#173776

#173776 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.3% C 0.115 H 262.1°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#173776
RGB	rgb(23, 55, 118)
HSL	hsl(220, 67%, 28%)
HSV	hsv(220, 81%, 46%)
CMYK	cmyk(80.5%, 53.4%, 0%, 53.7%)
CIE-LAB	lab(24.39, 13.10, -39.49)
CIE-LCH	lch(24.39, 41.60, 288.35°)
OKLab	oklab(35.27% -0.0158 -0.1136)
OKLCH	oklch(35.27% 0.115 262.1)
XYZ	xyz(4.9884, 4.2220, 17.6880)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173776 #765617

analogous

#176776 #173776 #261776

triadic

#173776 #761737 #377617

tetradic

#173776 #761767 #765617 #177626

square

#173776 #761767 #765617 #177626

split-complementary

#173776 #762617 #677617

monochromatic

#050C1A #0D1F43 #173776 #214FA9 #3169D7

Accessibility & contrast

On white

11.38

#173776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173776

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173776	#FFFFFF	#000000	##FFFFFF
##173776	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3F78

Deuteranopia (green-blind)

#003675

Tritanopia (blue-blind)

#004651

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173776;
/* rgb */ color: rgb(23, 55, 118);
/* oklch */ color: oklch(35.3% 0.115 262.1);

Tailwind

colors: {
  custom: {
    50: '#646d9e',
    500: '#173776',
    950: '#000000',
  },
}

SCSS

$custom: #173776;
$custom-light: #646d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#173776",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 118
  },
  "hsl": {
    "h": 219.789,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35266,
    "c": 0.11475,
    "h": 262.1
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#173776

secondary

#AB863E

accent

#B03EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173776

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

Preview Lab → · Contrast checker → · Palette generator →