#17356A#17356A

#17356A is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.8% C 0.099 H 260.8°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#17356A
RGB	rgb(23, 53, 106)
HSL	hsl(218, 64%, 25%)
HSV	hsv(218, 78%, 42%)
CMYK	cmyk(78.3%, 50%, 0%, 58.4%)
CIE-LAB	lab(22.89, 9.51, -34.22)
CIE-LCH	lch(22.89, 35.52, 285.54°)
OKLab	oklab(33.84% -0.0159 -0.0982)
OKLCH	oklch(33.84% 0.099 260.8)
XYZ	xyz(4.2270, 3.7685, 14.1375)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17356A #6A4C17

analogous

#175E6A #17356A #22176A

triadic

#17356A #6A1735 #356A17

tetradic

#17356A #6A175E #6A4C17 #176A22

square

#17356A #6A175E #6A4C17 #176A22

split-complementary

#17356A #6A2217 #5E6A17

monochromatic

#050D19 #0C1C38 #17356A #224E9C #2D67CF

Accessibility & contrast

On white

11.97

#17356A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#17356A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17356A

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17356A	#FFFFFF	#000000	##FFFFFF
##17356A	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183B6C

Deuteranopia (green-blind)

#033369

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #17356a;
/* rgb */ color: rgb(23, 53, 106);
/* oklch */ color: oklch(33.8% 0.099 260.8);

Tailwind

colors: {
  custom: {
    50: '#616b95',
    500: '#17356a',
    950: '#000000',
  },
}

SCSS

$custom: #17356a;
$custom-light: #616b95;
$custom-dark: #000000;

JSON

{
  "hex": "#17356a",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 106
  },
  "hsl": {
    "h": 218.313,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.33835,
    "c": 0.09948,
    "h": 260.8
  },
  "luminance": 0.03769
}

Semantic roles & 50–950 ramp

primary

#17356A

secondary

#A07C3D

accent

#AB40E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17356A

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

Preview Lab → · Contrast checker → · Palette generator →