#172864#172864

#172864 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.3% C 0.108 H 267.5°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#172864
RGB	rgb(23, 40, 100)
HSL	hsl(227, 63%, 24%)
HSV	hsv(227, 77%, 39%)
CMYK	cmyk(77%, 60%, 0%, 60.8%)
CIE-LAB	lab(18.45, 16.44, -37.49)
CIE-LCH	lch(18.45, 40.94, 293.68°)
OKLab	oklab(30.31% -0.0047 -0.1081)
OKLCH	oklch(30.31% 0.108 267.5)
XYZ	xyz(3.4116, 2.6195, 12.3799)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172864 #645317

analogous

#174F64 #172864 #2D1764

triadic

#172864 #641728 #286417

tetradic

#172864 #64174F #645317 #17642D

square

#172864 #64174F #645317 #17642D

split-complementary

#172864 #642D17 #4F6417

monochromatic

#060A19 #0C1432 #172864 #223C96 #2E50C8

Accessibility & contrast

On white

13.78

#172864 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172864 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172864

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172864	#FFFFFF	#000000	##FFFFFF
##172864	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003166

Deuteranopia (green-blind)

#002A63

Tritanopia (blue-blind)

#003741

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172864;
/* rgb */ color: rgb(23, 40, 100);
/* oklch */ color: oklch(30.3% 0.108 267.5);

Tailwind

colors: {
  custom: {
    50: '#606191',
    500: '#172864',
    950: '#000000',
  },
}

SCSS

$custom: #172864;
$custom-light: #606191;
$custom-dark: #000000;

JSON

{
  "hex": "#172864",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 100
  },
  "hsl": {
    "h": 226.753,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.30313,
    "c": 0.10817,
    "h": 267.5
  },
  "luminance": 0.0262
}

Semantic roles & 50–950 ramp

primary

#172864

secondary

#9A863C

accent

#C242E6

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05050D

muted

#7A797D

Preview Lab

Preview with #172864

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

Preview Lab → · Contrast checker → · Palette generator →