#15639E#15639E

#15639E is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.6% C 0.118 H 247.3°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#15639E
RGBrgb(21, 99, 158)
HSLhsl(206, 77%, 35%)
HSVhsv(206, 87%, 62%)
CMYKcmyk(86.7%, 37.3%, 0%, 38%)
CIE-LABlab(40.49, -0.28, -38.28)
CIE-LCHlch(40.49, 38.28, 269.58°)
OKLaboklab(48.58% -0.0458 -0.1092)
OKLCHoklch(48.58% 0.118 247.3)
XYZxyz(10.9403, 11.5503, 33.9939)
Luminance0.1155 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15639E #9E5015
analogous
#159E94 #15639E #151F9E
triadic
#15639E #9E1563 #639E15
tetradic
#15639E #94159E #9E5015 #1F9E15
square
#15639E #94159E #9E5015 #1F9E15
split-complementary
#15639E #9E151F #9E9415
monochromatic
#071F32 #0E4168 #15639E #1C85D4 #47A2E7

Accessibility & contrast

On white

6.34
#15639E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#15639E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #15639E
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15639E#FFFFFF#000000##FFFFFF
##15639E1.006.343.316.34
#FFFFFF6.341.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4766A0
Deuteranopia (green-blind)
#325A9D
Tritanopia (blue-blind)
#007179
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #15639e;
/* rgb */ color: rgb(21, 99, 158);
/* oklch */ color: oklch(48.6% 0.118 247.3);
Tailwind
colors: {
  custom: {
    50: '#6d8fbb',
    500: '#15639e',
    950: '#000000',
  },
}
SCSS
$custom: #15639e;
$custom-light: #6d8fbb;
$custom-dark: #000000;
JSON
{
  "hex": "#15639e",
  "rgb": {
    "r": 21,
    "g": 99,
    "b": 158
  },
  "hsl": {
    "h": 205.839,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.48584,
    "c": 0.11842,
    "h": 247.3
  },
  "luminance": 0.11552
}

Semantic roles & 50–950 ramp

primary
#15639E
secondary
#C77F47
accent
#8735F3
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C12
muted
#7B7D81

Preview Lab

Preview with #15639E

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

Preview Lab → · Contrast checker → · Palette generator →

#15639E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva