#17498F#17498F

#17498F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.128 H 257.9°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#17498F
RGB	rgb(23, 73, 143)
HSL	hsl(215, 72%, 33%)
HSV	hsv(215, 84%, 56%)
CMYK	cmyk(83.9%, 49%, 0%, 43.9%)
CIE-LAB	lab(31.65, 10.90, -43.37)
CIE-LCH	lch(31.65, 44.72, 284.11°)
OKLab	oklab(41.4% -0.0267 -0.1247)
OKLCH	oklch(41.4% 0.128 257.9)
XYZ	xyz(7.6920, 6.9295, 26.9134)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17498F #8F5D17

analogous

#17858F #17498F #21178F

triadic

#17498F #8F1749 #498F17

tetradic

#17498F #8F1785 #8F5D17 #178F21

square

#17498F #8F1785 #8F5D17 #178F21

split-complementary

#17498F #8F2117 #858F17

monochromatic

#061326 #0F2E5A #17498F #1F64C4 #4083E0

Accessibility & contrast

On white

8.80

#17498F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#17498F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17498F

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17498F	#FFFFFF	#000000	##FFFFFF
##17498F	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215092

Deuteranopia (green-blind)

#00458E

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #17498f;
/* rgb */ color: rgb(23, 73, 143);
/* oklch */ color: oklch(41.4% 0.128 257.9);

Tailwind

colors: {
  custom: {
    50: '#6a7bb0',
    500: '#17498f',
    950: '#000000',
  },
}

SCSS

$custom: #17498f;
$custom-light: #6a7bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#17498f",
  "rgb": {
    "r": 23,
    "g": 73,
    "b": 143
  },
  "hsl": {
    "h": 215,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41404,
    "c": 0.12751,
    "h": 257.9
  },
  "luminance": 0.0693
}

Semantic roles & 50–950 ramp

primary

#17498F

secondary

#C18C41

accent

#A339EF

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #17498F

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

Preview Lab → · Contrast checker → · Palette generator →