#17509E#17509E

#17509E is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.1% C 0.140 H 257.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#17509E
RGB	rgb(23, 80, 158)
HSL	hsl(215, 75%, 35%)
HSV	hsv(215, 85%, 62%)
CMYK	cmyk(85.4%, 49.4%, 0%, 38%)
CIE-LAB	lab(34.78, 12.29, -47.43)
CIE-LCH	lch(34.78, 48.99, 284.53°)
OKLab	oklab(44.15% -0.0295 -0.1365)
OKLCH	oklch(44.15% 0.14 257.8)
XYZ	xyz(9.3913, 8.3869, 33.4650)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17509E #9E6517

analogous

#17939E #17509E #22179E

triadic

#17509E #9E1750 #509E17

tetradic

#17509E #9E1793 #9E6517 #179E22

square

#17509E #9E1793 #9E6517 #179E22

split-complementary

#17509E #9E2217 #939E17

monochromatic

#071A33 #0F3569 #17509E #1F6BD3 #4B8CE5

Accessibility & contrast

On white

7.84

#17509E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#17509E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17509E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17509E	#FFFFFF	#000000	##FFFFFF
##17509E	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #17509e;
/* rgb */ color: rgb(23, 80, 158);
/* oklch */ color: oklch(44.1% 0.140 257.8);

Tailwind

colors: {
  custom: {
    50: '#6d80bb',
    500: '#17509e',
    950: '#000000',
  },
}

SCSS

$custom: #17509e;
$custom-light: #6d80bb;
$custom-dark: #000000;

JSON

{
  "hex": "#17509e",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 158
  },
  "hsl": {
    "h": 214.667,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44146,
    "c": 0.13964,
    "h": 257.8
  },
  "luminance": 0.08388
}

Semantic roles & 50–950 ramp

primary

#17509E

secondary

#C6924A

accent

#A237F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #17509E

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

Preview Lab → · Contrast checker → · Palette generator →