#172C6E#172C6E

#172C6E is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.1% C 0.118 H 266.3°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#172C6E
RGB	rgb(23, 44, 110)
HSL	hsl(226, 65%, 26%)
HSV	hsv(226, 79%, 43%)
CMYK	cmyk(79.1%, 60%, 0%, 56.9%)
CIE-LAB	lab(20.47, 17.67, -40.71)
CIE-LCH	lch(20.47, 44.38, 293.46°)
OKLab	oklab(32.1% -0.0076 -0.1175)
OKLCH	oklch(32.1% 0.118 266.3)
XYZ	xyz(4.0675, 3.1089, 15.1345)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C6E #6E5917

analogous

#17576E #172C6E #2D176E

triadic

#172C6E #6E172C #2C6E17

tetradic

#172C6E #6E1757 #6E5917 #176E2D

square

#172C6E #6E1757 #6E5917 #176E2D

split-complementary

#172C6E #6E2D17 #576E17

monochromatic

#050A19 #0C183B #172C6E #2240A1 #2C55D3

Accessibility & contrast

On white

12.95

#172C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#172C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C6E

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C6E	#FFFFFF	#000000	##FFFFFF
##172C6E	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003670

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#003C48

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172c6e;
/* rgb */ color: rgb(23, 44, 110);
/* oklch */ color: oklch(32.1% 0.118 266.3);

Tailwind

colors: {
  custom: {
    50: '#636498',
    500: '#172c6e',
    950: '#000000',
  },
}

SCSS

$custom: #172c6e;
$custom-light: #636498;
$custom-dark: #000000;

JSON

{
  "hex": "#172c6e",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 110
  },
  "hsl": {
    "h": 225.517,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.32099,
    "c": 0.11771,
    "h": 266.3
  },
  "luminance": 0.03109
}

Semantic roles & 50–950 ramp

primary

#172C6E

secondary

#A48B3D

accent

#C03FE8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172C6E

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

Preview Lab → · Contrast checker → · Palette generator →