#15859F#15859F

#15859F is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.1% C 0.099 H 218.9°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#15859F
RGBrgb(21, 133, 159)
HSLhsl(191, 77%, 35%)
HSVhsv(191, 87%, 62%)
CMYKcmyk(86.8%, 16.4%, 0%, 37.6%)
CIE-LABlab(51.19, -19.71, -22.13)
CIE-LCHlch(51.19, 29.64, 228.31°)
OKLaboklab(57.13% -0.0768 -0.062)
OKLCHoklch(57.13% 0.099 218.9)
XYZxyz(14.9521, 19.4358, 35.7576)
Luminance0.1944 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15859F #9F2F15
analogous
#159F74 #15859F #15409F
triadic
#15859F #9F1585 #859F15
tetradic
#15859F #74159F #9F2F15 #409F15
square
#15859F #74159F #9F2F15 #409F15
split-complementary
#15859F #9F1540 #9F7415
monochromatic
#072B33 #0E5869 #15859F #1CB2D5 #48C9E7

Accessibility & contrast

On white

4.30
#15859F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#15859F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #15859F
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15859F#FFFFFF#000000##000000
##15859F1.004.304.894.89
#FFFFFF4.301.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7581A0
Deuteranopia (green-blind)
#63759F
Tritanopia (blue-blind)
#008E8D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #15859f;
/* rgb */ color: rgb(21, 133, 159);
/* oklch */ color: oklch(57.1% 0.099 218.9);
Tailwind
colors: {
  custom: {
    50: '#6fa8bb',
    500: '#15859f',
    950: '#000000',
  },
}
SCSS
$custom: #15859f;
$custom-light: #6fa8bb;
$custom-dark: #000000;
JSON
{
  "hex": "#15859f",
  "rgb": {
    "r": 21,
    "g": 133,
    "b": 159
  },
  "hsl": {
    "h": 191.304,
    "s": 76.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57125,
    "c": 0.0987,
    "h": 218.9
  },
  "luminance": 0.19438
}

Semantic roles & 50–950 ramp

primary
#15859F
secondary
#C86048
accent
#5835F3
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #15859F

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

Preview Lab → · Contrast checker → · Palette generator →

#15859F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva