#17489E#17489E

#17489E is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.4% C 0.150 H 260.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#17489E
RGB	rgb(23, 72, 158)
HSL	hsl(218, 75%, 35%)
HSV	hsv(218, 85%, 62%)
CMYK	cmyk(85.4%, 54.4%, 0%, 38%)
CIE-LAB	lab(32.45, 17.72, -51.20)
CIE-LCH	lch(32.45, 54.18, 289.09°)
OKLab	oklab(42.36% -0.0238 -0.1477)
OKLCH	oklch(42.36% 0.15 260.8)
XYZ	xyz(8.8400, 7.2844, 33.2812)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17489E #9E6D17

analogous

#178B9E #17489E #29179E

triadic

#17489E #9E1748 #489E17

tetradic

#17489E #9E178B #9E6D17 #179E29

square

#17489E #9E178B #9E6D17 #179E29

split-complementary

#17489E #9E2917 #8B9E17

monochromatic

#071733 #0F3069 #17489E #1F60D3 #4B83E5

Accessibility & contrast

On white

8.55

#17489E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#17489E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17489E

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17489E	#FFFFFF	#000000	##FFFFFF
##17489E	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A1

Deuteranopia (green-blind)

#00479C

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #17489e;
/* rgb */ color: rgb(23, 72, 158);
/* oklch */ color: oklch(42.4% 0.150 260.8);

Tailwind

colors: {
  custom: {
    50: '#6e7abb',
    500: '#17489e',
    950: '#000000',
  },
}

SCSS

$custom: #17489e;
$custom-light: #6e7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#17489e",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 158
  },
  "hsl": {
    "h": 218.222,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42364,
    "c": 0.14966,
    "h": 260.8
  },
  "luminance": 0.07286
}

Semantic roles & 50–950 ramp

primary

#17489E

secondary

#C6994A

accent

#AD37F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #17489E

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

Preview Lab → · Contrast checker → · Palette generator →