#172866#172866

#172866 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.5% C 0.111 H 267.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#172866
RGB	rgb(23, 40, 102)
HSL	hsl(227, 63%, 25%)
HSV	hsv(227, 77%, 40%)
CMYK	cmyk(77.5%, 60.8%, 0%, 60%)
CIE-LAB	lab(18.62, 17.27, -38.53)
CIE-LCH	lch(18.62, 42.22, 294.14°)
OKLab	oklab(30.5% -0.0047 -0.1111)
OKLCH	oklch(30.5% 0.111 267.6)
XYZ	xyz(3.5096, 2.6587, 12.8960)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172866 #665517

analogous

#175066 #172866 #2E1766

triadic

#172866 #661728 #286617

tetradic

#172866 #661750 #665517 #17662E

square

#172866 #661750 #665517 #17662E

split-complementary

#172866 #662E17 #506617

monochromatic

#060A19 #0C1434 #172866 #223C98 #2E4FCA

Accessibility & contrast

On white

13.71

#172866 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#172866 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172866

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172866	#FFFFFF	#000000	##FFFFFF
##172866	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003168

Deuteranopia (green-blind)

#002A65

Tritanopia (blue-blind)

#003742

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172866;
/* rgb */ color: rgb(23, 40, 102);
/* oklch */ color: oklch(30.5% 0.111 267.6);

Tailwind

colors: {
  custom: {
    50: '#616192',
    500: '#172866',
    950: '#000000',
  },
}

SCSS

$custom: #172866;
$custom-light: #616192;
$custom-dark: #000000;

JSON

{
  "hex": "#172866",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 102
  },
  "hsl": {
    "h": 227.089,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30495,
    "c": 0.11121,
    "h": 267.6
  },
  "luminance": 0.02659
}

Semantic roles & 50–950 ramp

primary

#172866

secondary

#9C883C

accent

#C342E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05050D

muted

#7A797E

Preview Lab

Preview with #172866

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

Preview Lab → · Contrast checker → · Palette generator →