#17499F#17499F

#17499F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.7% C 0.150 H 260.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#17499F
RGB	rgb(23, 73, 159)
HSL	hsl(218, 75%, 36%)
HSV	hsv(218, 86%, 62%)
CMYK	cmyk(85.5%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(32.81, 17.44, -51.21)
CIE-LCH	lch(32.81, 54.10, 288.81°)
OKLab	oklab(42.66% -0.0244 -0.1478)
OKLCH	oklch(42.66% 0.15 260.6)
XYZ	xyz(8.9916, 7.4493, 33.7581)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17499F #9F6D17

analogous

#178D9F #17499F #29179F

triadic

#17499F #9F1749 #499F17

tetradic

#17499F #9F178D #9F6D17 #179F29

square

#17499F #9F178D #9F6D17 #179F29

split-complementary

#17499F #9F2917 #8D9F17

monochromatic

#081834 #0F306A #17499F #1F62D4 #4B84E5

Accessibility & contrast

On white

8.43

#17499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#17499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17499F

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17499F	#FFFFFF	#000000	##FFFFFF
##17499F	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0154A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #17499f;
/* rgb */ color: rgb(23, 73, 159);
/* oklch */ color: oklch(42.7% 0.150 260.6);

Tailwind

colors: {
  custom: {
    50: '#6e7bbc',
    500: '#17499f',
    950: '#000000',
  },
}

SCSS

$custom: #17499f;
$custom-light: #6e7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#17499f",
  "rgb": {
    "r": 23,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 217.941,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42664,
    "c": 0.14977,
    "h": 260.6
  },
  "luminance": 0.0745
}

Semantic roles & 50–950 ramp

primary

#17499F

secondary

#C7994B

accent

#AD36F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #17499F

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

Preview Lab → · Contrast checker → · Palette generator →