#17358C#17358C

#17358C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.149 H 265.1°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#17358C
RGB	rgb(23, 53, 140)
HSL	hsl(225, 72%, 32%)
HSV	hsv(225, 84%, 55%)
CMYK	cmyk(83.6%, 62.1%, 0%, 45.1%)
CIE-LAB	lab(25.63, 23.55, -51.29)
CIE-LCH	lch(25.63, 56.43, 294.66°)
OKLab	oklab(36.77% -0.0128 -0.1484)
OKLCH	oklch(36.77% 0.149 265.1)
XYZ	xyz(6.3584, 4.6211, 25.3627)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17358C #8C6E17

analogous

#17708C #17358C #33178C

triadic

#17358C #8C1735 #358C17

tetradic

#17358C #8C1770 #8C6E17 #178C33

square

#17358C #8C1770 #8C6E17 #178C33

split-complementary

#17358C #8C3317 #708C17

monochromatic

#060D23 #0E2157 #17358C #2049C1 #3E67DF

Accessibility & contrast

On white

10.91

#17358C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#17358C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17358C

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17358C	#FFFFFF	#000000	##FFFFFF
##17358C	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #17358c;
/* rgb */ color: rgb(23, 53, 140);
/* oklch */ color: oklch(36.8% 0.149 265.1);

Tailwind

colors: {
  custom: {
    50: '#6a6bae',
    500: '#17358c',
    950: '#000000',
  },
}

SCSS

$custom: #17358c;
$custom-light: #6a6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#17358c",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 140
  },
  "hsl": {
    "h": 224.615,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36765,
    "c": 0.14891,
    "h": 265.1
  },
  "luminance": 0.04622
}

Semantic roles & 50–950 ramp

primary

#17358C

secondary

#BF9F3F

accent

#C039EF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #17358C

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

Preview Lab → · Contrast checker → · Palette generator →