#17409E#17409E

#17409E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.7% C 0.160 H 263.3°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#17409E
RGB	rgb(23, 64, 158)
HSL	hsl(222, 75%, 35%)
HSV	hsv(222, 85%, 62%)
CMYK	cmyk(85.4%, 59.5%, 0%, 38%)
CIE-LAB	lab(30.20, 23.20, -54.85)
CIE-LCH	lch(30.20, 59.56, 292.93°)
OKLab	oklab(40.67% -0.0188 -0.1587)
OKLCH	oklch(40.67% 0.16 263.3)
XYZ	xyz(8.3561, 6.3165, 33.1199)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17409E #9E7517

analogous

#17839E #17409E #32179E

triadic

#17409E #9E1740 #409E17

tetradic

#17409E #9E1783 #9E7517 #179E32

square

#17409E #9E1783 #9E7517 #179E32

split-complementary

#17409E #9E3217 #839E17

monochromatic

#071533 #0F2A69 #17409E #1F56D3 #4B79E5

Accessibility & contrast

On white

9.28

#17409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#17409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17409E

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17409E	#FFFFFF	#000000	##FFFFFF
##17409E	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17409e;
/* rgb */ color: rgb(23, 64, 158);
/* oklch */ color: oklch(40.7% 0.160 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e74bb',
    500: '#17409e',
    950: '#000000',
  },
}

SCSS

$custom: #17409e;
$custom-light: #6e74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17409e",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 221.778,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40665,
    "c": 0.15976,
    "h": 263.3
  },
  "luminance": 0.06318
}

Semantic roles & 50–950 ramp

primary

#17409E

secondary

#C6A14A

accent

#B937F1

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #17409E

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

Preview Lab → · Contrast checker → · Palette generator →