#17297A#17297A

#17297A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.139 H 267.8°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#17297A
RGB	rgb(23, 41, 122)
HSL	hsl(229, 68%, 28%)
HSV	hsv(229, 81%, 48%)
CMYK	cmyk(81.1%, 66.4%, 0%, 52.2%)
CIE-LAB	lab(20.72, 24.69, -48.01)
CIE-LCH	lch(20.72, 53.98, 297.21°)
OKLab	oklab(32.62% -0.0054 -0.1389)
OKLCH	oklch(32.62% 0.139 267.8)
XYZ	xyz(4.6579, 3.1726, 18.7755)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17297A #7A6817

analogous

#175A7A #17297A #36177A

triadic

#17297A #7A1729 #297A17

tetradic

#17297A #7A175A #7A6817 #177A36

square

#17297A #7A175A #7A6817 #177A36

split-complementary

#17297A #7A3617 #5A7A17

monochromatic

#05091A #0D1847 #17297A #213AAD #3351D9

Accessibility & contrast

On white

12.85

#17297A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#17297A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17297A

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17297A	#FFFFFF	#000000	##FFFFFF
##17297A	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#002D78

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #17297a;
/* rgb */ color: rgb(23, 41, 122);
/* oklch */ color: oklch(32.6% 0.139 267.8);

Tailwind

colors: {
  custom: {
    50: '#6662a1',
    500: '#17297a',
    950: '#000000',
  },
}

SCSS

$custom: #17297a;
$custom-light: #6662a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17297a",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 122
  },
  "hsl": {
    "h": 229.091,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3262,
    "c": 0.139,
    "h": 267.8
  },
  "luminance": 0.03173
}

Semantic roles & 50–950 ramp

primary

#17297A

secondary

#AF9A3E

accent

#CB3DEB

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17297A

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

Preview Lab → · Contrast checker → · Palette generator →