#17489D#17489D

#17489D is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.3% C 0.148 H 260.7°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#17489D
RGB	rgb(23, 72, 157)
HSL	hsl(218, 74%, 35%)
HSV	hsv(218, 85%, 62%)
CMYK	cmyk(85.4%, 54.1%, 0%, 38.4%)
CIE-LAB	lab(32.37, 17.31, -50.72)
CIE-LCH	lch(32.37, 53.59, 288.85°)
OKLab	oklab(42.28% -0.0239 -0.1463)
OKLCH	oklch(42.28% 0.148 260.7)
XYZ	xyz(8.7543, 7.2501, 32.8298)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17489D #9D6C17

analogous

#178B9D #17489D #29179D

triadic

#17489D #9D1748 #489D17

tetradic

#17489D #9D178B #9D6C17 #179D29

square

#17489D #9D178B #9D6C17 #179D29

split-complementary

#17489D #9D2917 #8B9D17

monochromatic

#071732 #0F3068 #17489D #1F60D2 #4A82E4

Accessibility & contrast

On white

8.57

#17489D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#17489D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17489D

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17489D	#FFFFFF	#000000	##FFFFFF
##17489D	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0152A0

Deuteranopia (green-blind)

#00469B

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #17489d;
/* rgb */ color: rgb(23, 72, 157);
/* oklch */ color: oklch(42.3% 0.148 260.7);

Tailwind

colors: {
  custom: {
    50: '#6d7abb',
    500: '#17489d',
    950: '#000000',
  },
}

SCSS

$custom: #17489d;
$custom-light: #6d7abb;
$custom-dark: #000000;

JSON

{
  "hex": "#17489d",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 157
  },
  "hsl": {
    "h": 218.06,
    "s": 74.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42282,
    "c": 0.14828,
    "h": 260.7
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#17489D

secondary

#C6994A

accent

#AD37F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #17489D

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

Preview Lab → · Contrast checker → · Palette generator →