#17599E#17599E

#17599E is a mid, vivid cyan. Relative luminance 0.098; OKLCH L 46.2% C 0.129 H 253.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#17599E
RGB	rgb(23, 89, 158)
HSL	hsl(211, 75%, 35%)
HSV	hsv(211, 85%, 62%)
CMYK	cmyk(85.4%, 43.7%, 0%, 38%)
CIE-LAB	lab(37.47, 6.31, -43.09)
CIE-LCH	lch(37.47, 43.55, 278.33°)
OKLab	oklab(46.23% -0.0366 -0.1235)
OKLCH	oklch(46.23% 0.129 253.5)
XYZ	xyz(10.0950, 9.7943, 33.6995)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17599E #9E5C17

analogous

#179C9E #17599E #19179E

triadic

#17599E #9E1759 #599E17

tetradic

#17599E #9E179C #9E5C17 #179E19

square

#17599E #9E179C #9E5C17 #179E19

split-complementary

#17599E #9E1917 #9C9E17

monochromatic

#071D33 #0F3B69 #17599E #1F77D3 #4B96E5

Accessibility & contrast

On white

7.10

#17599E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#17599E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17599E

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17599E	#FFFFFF	#000000	##FFFFFF
##17599E	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365FA1

Deuteranopia (green-blind)

#1B539D

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #17599e;
/* rgb */ color: rgb(23, 89, 158);
/* oklch */ color: oklch(46.2% 0.129 253.5);

Tailwind

colors: {
  custom: {
    50: '#6d87bb',
    500: '#17599e',
    950: '#000000',
  },
}

SCSS

$custom: #17599e;
$custom-light: #6d87bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17599e",
  "rgb": {
    "r": 23,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 210.667,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46231,
    "c": 0.12884,
    "h": 253.5
  },
  "luminance": 0.09796
}

Semantic roles & 50–950 ramp

primary

#17599E

secondary

#C68A4A

accent

#9637F1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #17599E

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

Preview Lab → · Contrast checker → · Palette generator →