#17408B#17408B

#17408B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.0% C 0.133 H 261.2°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#17408B
RGB	rgb(23, 64, 139)
HSL	hsl(219, 72%, 32%)
HSV	hsv(219, 83%, 55%)
CMYK	cmyk(83.5%, 54%, 0%, 45.5%)
CIE-LAB	lab(28.67, 15.47, -45.71)
CIE-LCH	lch(28.67, 48.25, 288.69°)
OKLab	oklab(39.04% -0.0203 -0.1318)
OKLCH	oklch(39.04% 0.133 261.2)
XYZ	xyz(6.8453, 5.7122, 25.1629)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17408B #8B6217

analogous

#177A8B #17408B #28178B

triadic

#17408B #8B1740 #408B17

tetradic

#17408B #8B177A #8B6217 #178B28

square

#17408B #8B177A #8B6217 #178B28

split-complementary

#17408B #8B2817 #7A8B17

monochromatic

#061022 #0E2856 #17408B #2058C0 #3D77DF

Accessibility & contrast

On white

9.80

#17408B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#17408B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17408B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17408B	#FFFFFF	#000000	##FFFFFF
##17408B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08498E

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #17408b;
/* rgb */ color: rgb(23, 64, 139);
/* oklch */ color: oklch(39.0% 0.133 261.2);

Tailwind

colors: {
  custom: {
    50: '#6974ad',
    500: '#17408b',
    950: '#000000',
  },
}

SCSS

$custom: #17408b;
$custom-light: #6974ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17408b",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 139
  },
  "hsl": {
    "h": 218.793,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39036,
    "c": 0.13333,
    "h": 261.2
  },
  "luminance": 0.05713
}

Semantic roles & 50–950 ramp

primary

#17408B

secondary

#BF923F

accent

#AE39EE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17408B

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

Preview Lab → · Contrast checker → · Palette generator →