#17536E#17536E

#17536E is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.8% C 0.074 H 232.3°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#17536E
RGBrgb(23, 83, 110)
HSLhsl(199, 65%, 26%)
HSVhsv(199, 79%, 43%)
CMYKcmyk(79.1%, 24.5%, 0%, 56.9%)
CIE-LABlab(32.91, -8.88, -20.92)
CIE-LCHlch(32.91, 22.73, 247.01°)
OKLaboklab(41.77% -0.0454 -0.0589)
OKLCHoklch(41.77% 0.074 232.3)
XYZxyz(6.2599, 7.4937, 15.8653)
Luminance0.0749 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#17536E #6E3217
analogous
#176E5D #17536E #17276E
triadic
#17536E #6E1753 #536E17
tetradic
#17536E #5D176E #6E3217 #276E17
square
#17536E #5D176E #6E3217 #276E17
split-complementary
#17536E #6E1727 #6E5D17
monochromatic
#051319 #0C2D3B #17536E #2279A1 #2C9FD3

Accessibility & contrast

On white

8.40
#17536E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#17536E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17536E
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##17536E#FFFFFF#000000##FFFFFF
##17536E1.008.402.508.40
#FFFFFF8.401.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46526F
Deuteranopia (green-blind)
#3A4A6E
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #17536e;
/* rgb */ color: rgb(23, 83, 110);
/* oklch */ color: oklch(41.8% 0.074 232.3);
Tailwind
colors: {
  custom: {
    50: '#628397',
    500: '#17536e',
    950: '#000000',
  },
}
SCSS
$custom: #17536e;
$custom-light: #628397;
$custom-dark: #000000;
JSON
{
  "hex": "#17536e",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 110
  },
  "hsl": {
    "h": 198.621,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.41769,
    "c": 0.07438,
    "h": 232.3
  },
  "luminance": 0.07494
}

Semantic roles & 50–950 ramp

primary
#17536E
secondary
#A45D3D
accent
#743FE8
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #17536E

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

Preview Lab → · Contrast checker → · Palette generator →

#17536E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva