#17355D#17355D

#17355D is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.9% C 0.080 H 256.5°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#17355D
RGB	rgb(23, 53, 93)
HSL	hsl(214, 60%, 23%)
HSV	hsv(214, 75%, 36%)
CMYK	cmyk(75.3%, 43%, 0%, 63.5%)
CIE-LAB	lab(22.01, 4.10, -27.17)
CIE-LCH	lch(22.01, 27.48, 278.58°)
OKLab	oklab(32.87% -0.0187 -0.0775)
OKLCH	oklch(32.87% 0.08 256.5)
XYZ	xyz(3.6015, 3.5183, 10.8431)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17355D #5D3F17

analogous

#17585D #17355D #1C175D

triadic

#17355D #5D1735 #355D17

tetradic

#17355D #5D1758 #5D3F17 #175D1C

square

#17355D #5D1758 #5D3F17 #175D1C

split-complementary

#17355D #5D1C17 #585D17

monochromatic

#060E19 #0B192C #17355D #23518E #2F6DBF

Accessibility & contrast

On white

12.33

#17355D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#17355D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17355D

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17355D	#FFFFFF	#000000	##FFFFFF
##17355D	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22385F

Deuteranopia (green-blind)

#17325C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17355d;
/* rgb */ color: rgb(23, 53, 93);
/* oklch */ color: oklch(32.9% 0.080 256.5);

Tailwind

colors: {
  custom: {
    50: '#5e6b8b',
    500: '#17355d',
    950: '#000000',
  },
}

SCSS

$custom: #17355d;
$custom-light: #5e6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#17355d",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 93
  },
  "hsl": {
    "h": 214.286,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.3287,
    "c": 0.07969,
    "h": 256.5
  },
  "luminance": 0.03519
}

Semantic roles & 50–950 ramp

primary

#17355D

secondary

#946E3C

accent

#9F44E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #17355D

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

Preview Lab → · Contrast checker → · Palette generator →