#17517B#17517B

#17517B is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.091 H 244.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#17517B
RGB	rgb(23, 81, 123)
HSL	hsl(205, 68%, 29%)
HSV	hsv(205, 81%, 48%)
CMYK	cmyk(81.3%, 34.1%, 0%, 51.8%)
CIE-LAB	lab(32.91, -2.55, -29.02)
CIE-LCH	lch(32.91, 29.13, 264.98°)
OKLab	oklab(41.99% -0.0388 -0.0824)
OKLCH	oklch(41.99% 0.091 244.8)
XYZ	xyz(6.8695, 7.4963, 19.8199)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17517B #7B4117

analogous

#177B73 #17517B #171F7B

triadic

#17517B #7B1751 #517B17

tetradic

#17517B #73177B #7B4117 #1F7B17

square

#17517B #73177B #7B4117 #1F7B17

split-complementary

#17517B #7B171F #7B7317

monochromatic

#05111A #0D2F47 #17517B #2173AF #3393D9

Accessibility & contrast

On white

8.40

#17517B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#17517B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17517B

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17517B	#FFFFFF	#000000	##FFFFFF
##17517B	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D527D

Deuteranopia (green-blind)

#2F497A

Tritanopia (blue-blind)

#005B60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #17517b;
/* rgb */ color: rgb(23, 81, 123);
/* oklch */ color: oklch(42.0% 0.091 244.8);

Tailwind

colors: {
  custom: {
    50: '#6581a1',
    500: '#17517b',
    950: '#000000',
  },
}

SCSS

$custom: #17517b;
$custom-light: #6581a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17517b",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 123
  },
  "hsl": {
    "h": 205.2,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.41991,
    "c": 0.09107,
    "h": 244.8
  },
  "luminance": 0.07497
}

Semantic roles & 50–950 ramp

primary

#17517B

secondary

#B06E3E

accent

#863CEB

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #17517B

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

Preview Lab → · Contrast checker → · Palette generator →