#17365B#17365B

#17365B is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.0% C 0.075 H 254.4°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#17365B
RGB	rgb(23, 54, 91)
HSL	hsl(213, 60%, 22%)
HSV	hsv(213, 75%, 36%)
CMYK	cmyk(74.7%, 40.7%, 0%, 64.3%)
CIE-LAB	lab(22.21, 2.58, -25.53)
CIE-LCH	lch(22.21, 25.66, 275.76°)
OKLab	oklab(32.99% -0.0203 -0.0727)
OKLCH	oklch(32.99% 0.075 254.4)
XYZ	xyz(3.5602, 3.5754, 10.3980)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17365B #5B3C17

analogous

#17585B #17365B #1A175B

triadic

#17365B #5B1736 #365B17

tetradic

#17365B #5B1758 #5B3C17 #175B1A

square

#17365B #5B1758 #5B3C17 #175B1A

split-complementary

#17365B #5B1A17 #585B17

monochromatic

#060E18 #0B192A #17365B #23538C #3070BD

Accessibility & contrast

On white

12.24

#17365B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#17365B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17365B

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17365B	#FFFFFF	#000000	##FFFFFF
##17365B	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25395D

Deuteranopia (green-blind)

#1B325A

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17365b;
/* rgb */ color: rgb(23, 54, 91);
/* oklch */ color: oklch(33.0% 0.075 254.4);

Tailwind

colors: {
  custom: {
    50: '#5d6c89',
    500: '#17365b',
    950: '#000000',
  },
}

SCSS

$custom: #17365b;
$custom-light: #5d6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#17365b",
  "rgb": {
    "r": 23,
    "g": 54,
    "b": 91
  },
  "hsl": {
    "h": 212.647,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32989,
    "c": 0.07544,
    "h": 254.4
  },
  "luminance": 0.03576
}

Semantic roles & 50–950 ramp

primary

#17365B

secondary

#926B3C

accent

#9B45E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #17365B

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

Preview Lab → · Contrast checker → · Palette generator →