#17356B#17356B

#17356B is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.101 H 261.1°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#17356B
RGB	rgb(23, 53, 107)
HSL	hsl(219, 65%, 25%)
HSV	hsv(219, 79%, 42%)
CMYK	cmyk(78.5%, 50.5%, 0%, 58%)
CIE-LAB	lab(22.96, 9.93, -34.75)
CIE-LCH	lch(22.96, 36.14, 285.95°)
OKLab	oklab(33.91% -0.0157 -0.0998)
OKLCH	oklch(33.91% 0.101 261.1)
XYZ	xyz(4.2793, 3.7894, 14.4130)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17356B #6B4D17

analogous

#175F6B #17356B #23176B

triadic

#17356B #6B1735 #356B17

tetradic

#17356B #6B175F #6B4D17 #176B23

square

#17356B #6B175F #6B4D17 #176B23

split-complementary

#17356B #6B2317 #5F6B17

monochromatic

#050C19 #0C1C39 #17356B #224E9D #2D67D0

Accessibility & contrast

On white

11.95

#17356B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#17356B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17356B

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17356B	#FFFFFF	#000000	##FFFFFF
##17356B	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173B6D

Deuteranopia (green-blind)

#01336A

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #17356b;
/* rgb */ color: rgb(23, 53, 107);
/* oklch */ color: oklch(33.9% 0.101 261.1);

Tailwind

colors: {
  custom: {
    50: '#616b96',
    500: '#17356b',
    950: '#000000',
  },
}

SCSS

$custom: #17356b;
$custom-light: #616b96;
$custom-dark: #000000;

JSON

{
  "hex": "#17356b",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 107
  },
  "hsl": {
    "h": 218.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.33913,
    "c": 0.10099,
    "h": 261.1
  },
  "luminance": 0.0379
}

Semantic roles & 50–950 ramp

primary

#17356B

secondary

#A17D3D

accent

#AC40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #17356B

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

Preview Lab → · Contrast checker → · Palette generator →