#17579E#17579E

#17579E is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.8% C 0.131 H 254.5°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#17579E
RGB	rgb(23, 87, 158)
HSL	hsl(212, 75%, 35%)
HSV	hsv(212, 85%, 62%)
CMYK	cmyk(85.4%, 44.9%, 0%, 38%)
CIE-LAB	lab(36.87, 7.63, -44.06)
CIE-LCH	lch(36.87, 44.72, 279.82°)
OKLab	oklab(45.76% -0.035 -0.1264)
OKLCH	oklch(45.76% 0.131 254.5)
XYZ	xyz(9.9308, 9.4659, 33.6448)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17579E #9E5E17

analogous

#179A9E #17579E #1B179E

triadic

#17579E #9E1757 #579E17

tetradic

#17579E #9E179A #9E5E17 #179E1B

square

#17579E #9E179A #9E5E17 #179E1B

split-complementary

#17579E #9E1B17 #9A9E17

monochromatic

#071C33 #0F3A69 #17579E #1F74D3 #4B94E5

Accessibility & contrast

On white

7.26

#17579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#17579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17579E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17579E	#FFFFFF	#000000	##FFFFFF
##17579E	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#14519D

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #17579e;
/* rgb */ color: rgb(23, 87, 158);
/* oklch */ color: oklch(45.8% 0.131 254.5);

Tailwind

colors: {
  custom: {
    50: '#6d85bb',
    500: '#17579e',
    950: '#000000',
  },
}

SCSS

$custom: #17579e;
$custom-light: #6d85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17579e",
  "rgb": {
    "r": 23,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 211.556,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45762,
    "c": 0.13117,
    "h": 254.5
  },
  "luminance": 0.09467
}

Semantic roles & 50–950 ramp

primary

#17579E

secondary

#C68C4A

accent

#9937F1

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #17579E

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

Preview Lab → · Contrast checker → · Palette generator →