#15517C#15517C

#15517C is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.093 H 244.9°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#15517C
RGBrgb(21, 81, 124)
HSLhsl(205, 71%, 28%)
HSVhsv(205, 83%, 49%)
CMYKcmyk(83.1%, 34.7%, 0%, 51.4%)
CIE-LABlab(32.92, -2.38, -29.63)
CIE-LCHlch(32.92, 29.73, 265.40°)
OKLaboklab(42% -0.0394 -0.0842)
OKLCHoklch(42% 0.093 244.9)
XYZxyz(6.8884, 7.4987, 20.1492)
Luminance0.0750 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15517C #7C4015
analogous
#157C73 #15517C #151D7C
triadic
#15517C #7C1551 #517C15
tetradic
#15517C #73157C #7C4015 #1D7C15
square
#15517C #73157C #7C4015 #1D7C15
split-complementary
#15517C #7C151D #7C7315
monochromatic
#04111A #0C2F48 #15517C #1E73B0 #3094DC

Accessibility & contrast

On white

8.40
#15517C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#15517C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15517C
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15517C#FFFFFF#000000##FFFFFF
##15517C1.008.402.508.40
#FFFFFF8.401.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D537E
Deuteranopia (green-blind)
#2E497B
Tritanopia (blue-blind)
#005B60
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #15517c;
/* rgb */ color: rgb(21, 81, 124);
/* oklch */ color: oklch(42.0% 0.093 244.9);
Tailwind
colors: {
  custom: {
    50: '#6581a2',
    500: '#15517c',
    950: '#000000',
  },
}
SCSS
$custom: #15517c;
$custom-light: #6581a2;
$custom-dark: #000000;
JSON
{
  "hex": "#15517c",
  "rgb": {
    "r": 21,
    "g": 81,
    "b": 124
  },
  "hsl": {
    "h": 205.049,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41999,
    "c": 0.09301,
    "h": 244.9
  },
  "luminance": 0.075
}

Semantic roles & 50–950 ramp

primary
#15517C
secondary
#B16D3C
accent
#853AEE
background
#F6F7FA
surface
#EBEEF3
border
#C6C9CD
text
#060A0F
muted
#7A7C7F

Preview Lab

Preview with #15517C

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

Preview Lab → · Contrast checker → · Palette generator →

#15517C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva