#17418B#17418B

#17418B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.132 H 260.8°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#17418B
RGB	rgb(23, 65, 139)
HSL	hsl(218, 72%, 32%)
HSV	hsv(218, 83%, 55%)
CMYK	cmyk(83.5%, 53.2%, 0%, 45.5%)
CIE-LAB	lab(28.97, 14.77, -45.23)
CIE-LCH	lch(28.97, 47.58, 288.08°)
OKLab	oklab(39.26% -0.0211 -0.1303)
OKLCH	oklch(39.26% 0.132 260.8)
XYZ	xyz(6.9022, 5.8260, 25.1818)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17418B #8B6117

analogous

#177B8B #17418B #27178B

triadic

#17418B #8B1741 #418B17

tetradic

#17418B #8B177B #8B6117 #178B27

square

#17418B #8B177B #8B6117 #178B27

split-complementary

#17418B #8B2717 #7B8B17

monochromatic

#061022 #0E2856 #17418B #205AC0 #3D78DF

Accessibility & contrast

On white

9.70

#17418B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#17418B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17418B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17418B	#FFFFFF	#000000	##FFFFFF
##17418B	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4A8E

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #17418b;
/* rgb */ color: rgb(23, 65, 139);
/* oklch */ color: oklch(39.3% 0.132 260.8);

Tailwind

colors: {
  custom: {
    50: '#6975ad',
    500: '#17418b',
    950: '#000000',
  },
}

SCSS

$custom: #17418b;
$custom-light: #6975ad;
$custom-dark: #000000;

JSON

{
  "hex": "#17418b",
  "rgb": {
    "r": 23,
    "g": 65,
    "b": 139
  },
  "hsl": {
    "h": 218.276,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39261,
    "c": 0.13204,
    "h": 260.8
  },
  "luminance": 0.05827
}

Semantic roles & 50–950 ramp

primary

#17418B

secondary

#BF903F

accent

#AD39EE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #17418B

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

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