#17408C#17408C

#17408C is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.135 H 261.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#17408C
RGB	rgb(23, 64, 140)
HSL	hsl(219, 72%, 32%)
HSV	hsv(219, 84%, 55%)
CMYK	cmyk(83.6%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(28.75, 15.88, -46.20)
CIE-LCH	lch(28.75, 48.85, 288.96°)
OKLab	oklab(39.12% -0.0202 -0.1332)
OKLCH	oklch(39.12% 0.135 261.4)
XYZ	xyz(6.9187, 5.7416, 25.5494)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17408C #8C6317

analogous

#177B8C #17408C #28178C

triadic

#17408C #8C1740 #408C17

tetradic

#17408C #8C177B #8C6317 #178C28

square

#17408C #8C177B #8C6317 #178C28

split-complementary

#17408C #8C2817 #7B8C17

monochromatic

#061023 #0E2857 #17408C #2058C1 #3E77DF

Accessibility & contrast

On white

9.77

#17408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#17408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17408C

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17408C	#FFFFFF	#000000	##FFFFFF
##17408C	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05498F

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #17408c;
/* rgb */ color: rgb(23, 64, 140);
/* oklch */ color: oklch(39.1% 0.135 261.4);

Tailwind

colors: {
  custom: {
    50: '#6974ae',
    500: '#17408c',
    950: '#000000',
  },
}

SCSS

$custom: #17408c;
$custom-light: #6974ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17408c",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 218.974,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39118,
    "c": 0.13475,
    "h": 261.4
  },
  "luminance": 0.05742
}

Semantic roles & 50–950 ramp

primary

#17408C

secondary

#BF933F

accent

#AF39EF

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17408C

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

Preview Lab → · Contrast checker → · Palette generator →