#17488F#17488F

#17488F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.129 H 258.4°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#17488F
RGB	rgb(23, 72, 143)
HSL	hsl(216, 72%, 33%)
HSV	hsv(216, 84%, 56%)
CMYK	cmyk(83.9%, 49.7%, 0%, 43.9%)
CIE-LAB	lab(31.35, 11.59, -43.85)
CIE-LCH	lch(31.35, 45.36, 284.80°)
OKLab	oklab(41.17% -0.0259 -0.1261)
OKLCH	oklch(41.17% 0.129 258.4)
XYZ	xyz(7.6268, 6.7991, 26.8917)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17488F #8F5E17

analogous

#17848F #17488F #22178F

triadic

#17488F #8F1748 #488F17

tetradic

#17488F #8F1784 #8F5E17 #178F22

square

#17488F #8F1784 #8F5E17 #178F22

split-complementary

#17488F #8F2217 #848F17

monochromatic

#061326 #0F2D5A #17488F #1F63C4 #4082E0

Accessibility & contrast

On white

8.90

#17488F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#17488F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17488F

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17488F	#FFFFFF	#000000	##FFFFFF
##17488F	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4F92

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #17488f;
/* rgb */ color: rgb(23, 72, 143);
/* oklch */ color: oklch(41.2% 0.129 258.4);

Tailwind

colors: {
  custom: {
    50: '#6a7ab0',
    500: '#17488f',
    950: '#000000',
  },
}

SCSS

$custom: #17488f;
$custom-light: #6a7ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#17488f",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 143
  },
  "hsl": {
    "h": 215.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41173,
    "c": 0.12877,
    "h": 258.4
  },
  "luminance": 0.068
}

Semantic roles & 50–950 ramp

primary

#17488F

secondary

#C18D41

accent

#A539EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #17488F

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

Preview Lab → · Contrast checker → · Palette generator →