#17355C#17355C

#17355C is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.8% C 0.078 H 256.0°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#17355C
RGB	rgb(23, 53, 92)
HSL	hsl(214, 60%, 23%)
HSV	hsv(214, 75%, 36%)
CMYK	cmyk(75%, 42.4%, 0%, 63.9%)
CIE-LAB	lab(21.95, 3.69, -26.61)
CIE-LCH	lch(21.95, 26.87, 277.89°)
OKLab	oklab(32.8% -0.0189 -0.0758)
OKLCH	oklch(32.8% 0.078 256)
XYZ	xyz(3.5575, 3.5007, 10.6114)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17355C #5C3E17

analogous

#17575C #17355C #1B175C

triadic

#17355C #5C1735 #355C17

tetradic

#17355C #5C1757 #5C3E17 #175C1B

square

#17355C #5C1757 #5C3E17 #175C1B

split-complementary

#17355C #5C1B17 #575C17

monochromatic

#060E18 #0B192B #17355C #23518D #2F6DBE

Accessibility & contrast

On white

12.35

#17355C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#17355C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17355C

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17355C	#FFFFFF	#000000	##FFFFFF
##17355C	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23385E

Deuteranopia (green-blind)

#18325B

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #17355c;
/* rgb */ color: rgb(23, 53, 92);
/* oklch */ color: oklch(32.8% 0.078 256.0);

Tailwind

colors: {
  custom: {
    50: '#5e6b8a',
    500: '#17355c',
    950: '#000000',
  },
}

SCSS

$custom: #17355c;
$custom-light: #5e6b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#17355c",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 92
  },
  "hsl": {
    "h": 213.913,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.328,
    "c": 0.07817,
    "h": 256
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#17355C

secondary

#936D3C

accent

#9E45E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #17355C

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

Preview Lab → · Contrast checker → · Palette generator →