#17509F#17509F

#17509F is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.2% C 0.141 H 258.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#17509F
RGB	rgb(23, 80, 159)
HSL	hsl(215, 75%, 36%)
HSV	hsv(215, 86%, 62%)
CMYK	cmyk(85.5%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(34.85, 12.70, -47.92)
CIE-LCH	lch(34.85, 49.57, 284.84°)
OKLab	oklab(44.22% -0.0294 -0.1379)
OKLCH	oklch(44.22% 0.141 258)
XYZ	xyz(9.4777, 8.4215, 33.9202)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17509F #9F6617

analogous

#17949F #17509F #22179F

triadic

#17509F #9F1750 #509F17

tetradic

#17509F #9F1794 #9F6617 #179F22

square

#17509F #9F1794 #9F6617 #179F22

split-complementary

#17509F #9F2217 #949F17

monochromatic

#081A34 #0F356A #17509F #1F6BD4 #4B8CE5

Accessibility & contrast

On white

7.82

#17509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#17509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17509F

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17509F	#FFFFFF	#000000	##FFFFFF
##17509F	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2058A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #17509f;
/* rgb */ color: rgb(23, 80, 159);
/* oklch */ color: oklch(44.2% 0.141 258.0);

Tailwind

colors: {
  custom: {
    50: '#6e80bc',
    500: '#17509f',
    950: '#000000',
  },
}

SCSS

$custom: #17509f;
$custom-light: #6e80bc;
$custom-dark: #000000;

JSON

{
  "hex": "#17509f",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 214.853,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44222,
    "c": 0.14101,
    "h": 258
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#17509F

secondary

#C7934B

accent

#A336F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #17509F

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

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