#17338D#17338D

#17338D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.153 H 265.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#17338D
RGB	rgb(23, 51, 141)
HSL	hsl(226, 72%, 32%)
HSV	hsv(226, 84%, 55%)
CMYK	cmyk(83.7%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(25.17, 25.34, -52.65)
CIE-LCH	lch(25.17, 58.43, 295.70°)
OKLab	oklab(36.46% -0.0116 -0.1524)
OKLCH	oklch(36.46% 0.153 265.6)
XYZ	xyz(6.3432, 4.4721, 25.7230)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17338D #8D7117

analogous

#176E8D #17338D #36178D

triadic

#17338D #8D1733 #338D17

tetradic

#17338D #8D176E #8D7117 #178D36

square

#17338D #8D176E #8D7117 #178D36

split-complementary

#17338D #8D3617 #6E8D17

monochromatic

#060D24 #0E2058 #17338D #2046C2 #3F65E0

Accessibility & contrast

On white

11.08

#17338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#17338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17338D

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17338D	#FFFFFF	#000000	##FFFFFF
##17338D	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004190

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #17338d;
/* rgb */ color: rgb(23, 51, 141);
/* oklch */ color: oklch(36.5% 0.153 265.6);

Tailwind

colors: {
  custom: {
    50: '#6b6aaf',
    500: '#17338d',
    950: '#000000',
  },
}

SCSS

$custom: #17338d;
$custom-light: #6b6aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#17338d",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 225.763,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36457,
    "c": 0.15281,
    "h": 265.6
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#17338D

secondary

#C0A240

accent

#C439EF

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #17338D

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

Preview Lab → · Contrast checker → · Palette generator →