#17499D#17499D

#17499D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.147 H 260.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#17499D
RGB	rgb(23, 73, 157)
HSL	hsl(218, 74%, 35%)
HSV	hsv(218, 85%, 62%)
CMYK	cmyk(85.4%, 53.5%, 0%, 38.4%)
CIE-LAB	lab(32.66, 16.63, -50.25)
CIE-LCH	lch(32.66, 52.93, 288.31°)
OKLab	oklab(42.5% -0.0246 -0.1449)
OKLCH	oklch(42.5% 0.147 260.4)
XYZ	xyz(8.8195, 7.3805, 32.8515)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17499D #9D6B17

analogous

#178C9D #17499D #28179D

triadic

#17499D #9D1749 #499D17

tetradic

#17499D #9D178C #9D6B17 #179D28

square

#17499D #9D178C #9D6B17 #179D28

split-complementary

#17499D #9D2817 #8C9D17

monochromatic

#071732 #0F3068 #17499D #1F62D2 #4A84E4

Accessibility & contrast

On white

8.48

#17499D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#17499D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17499D

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17499D	#FFFFFF	#000000	##FFFFFF
##17499D	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0853A0

Deuteranopia (green-blind)

#00479B

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #17499d;
/* rgb */ color: rgb(23, 73, 157);
/* oklch */ color: oklch(42.5% 0.147 260.4);

Tailwind

colors: {
  custom: {
    50: '#6d7bbb',
    500: '#17499d',
    950: '#000000',
  },
}

SCSS

$custom: #17499d;
$custom-light: #6d7bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#17499d",
  "rgb": {
    "r": 23,
    "g": 73,
    "b": 157
  },
  "hsl": {
    "h": 217.612,
    "s": 74.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42501,
    "c": 0.14702,
    "h": 260.4
  },
  "luminance": 0.07382
}

Semantic roles & 50–950 ramp

primary

#17499D

secondary

#C6984A

accent

#AC37F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #17499D

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

Preview Lab → · Contrast checker → · Palette generator →