#172877#172877

#172877 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.136 H 268.0°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#172877
RGB	rgb(23, 40, 119)
HSL	hsl(229, 68%, 28%)
HSV	hsv(229, 81%, 47%)
CMYK	cmyk(80.7%, 66.4%, 0%, 53.3%)
CIE-LAB	lab(20.17, 24.19, -47.00)
CIE-LCH	lch(20.17, 52.86, 297.23°)
OKLab	oklab(32.12% -0.0046 -0.136)
OKLCH	oklch(32.12% 0.136 268)
XYZ	xyz(4.4408, 3.0312, 17.8002)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172877 #776617

analogous

#175877 #172877 #361777

triadic

#172877 #771728 #287717

tetradic

#172877 #771758 #776617 #177736

square

#172877 #771758 #776617 #177736

split-complementary

#172877 #773617 #587717

monochromatic

#05091A #0D1744 #172877 #2139AA #314FD7

Accessibility & contrast

On white

13.07

#172877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172877

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172877	#FFFFFF	#000000	##FFFFFF
##172877	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357A

Deuteranopia (green-blind)

#002C76

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172877;
/* rgb */ color: rgb(23, 40, 119);
/* oklch */ color: oklch(32.1% 0.136 268.0);

Tailwind

colors: {
  custom: {
    50: '#66619f',
    500: '#172877',
    950: '#000000',
  },
}

SCSS

$custom: #172877;
$custom-light: #66619f;
$custom-dark: #000000;

JSON

{
  "hex": "#172877",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 119
  },
  "hsl": {
    "h": 229.375,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32124,
    "c": 0.13604,
    "h": 268
  },
  "luminance": 0.03032
}

Semantic roles & 50–950 ramp

primary

#172877

secondary

#AC993E

accent

#CC3DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050F

muted

#7A797E

Preview Lab

Preview with #172877

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

Preview Lab → · Contrast checker → · Palette generator →