#17536F#17536F

#17536F is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.8% C 0.075 H 233.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#17536F
RGB	rgb(23, 83, 111)
HSL	hsl(199, 66%, 26%)
HSV	hsv(199, 79%, 44%)
CMYK	cmyk(79.3%, 25.2%, 0%, 56.5%)
CIE-LAB	lab(32.95, -8.50, -21.48)
CIE-LCH	lch(32.95, 23.09, 248.41°)
OKLab	oklab(41.82% -0.0451 -0.0605)
OKLCH	oklch(41.82% 0.075 233.3)
XYZ	xyz(6.3147, 7.5156, 16.1537)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17536F #6F3317

analogous

#176F5F #17536F #17276F

triadic

#17536F #6F1753 #536F17

tetradic

#17536F #5F176F #6F3317 #276F17

square

#17536F #5F176F #6F3317 #276F17

split-complementary

#17536F #6F1727 #6F5F17

monochromatic

#051319 #0C2D3C #17536F #2279A2 #2D9ED3

Accessibility & contrast

On white

8.39

#17536F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#17536F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17536F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17536F	#FFFFFF	#000000	##FFFFFF
##17536F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455270

Deuteranopia (green-blind)

#394A6F

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #17536f;
/* rgb */ color: rgb(23, 83, 111);
/* oklch */ color: oklch(41.8% 0.075 233.3);

Tailwind

colors: {
  custom: {
    50: '#638398',
    500: '#17536f',
    950: '#000000',
  },
}

SCSS

$custom: #17536f;
$custom-light: #638398;
$custom-dark: #000000;

JSON

{
  "hex": "#17536f",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 111
  },
  "hsl": {
    "h": 199.091,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.41822,
    "c": 0.07541,
    "h": 233.3
  },
  "luminance": 0.07516
}

Semantic roles & 50–950 ramp

primary

#17536F

secondary

#A55E3D

accent

#753FE9

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #17536F

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

Preview Lab → · Contrast checker → · Palette generator →