#15427B#15427B

#15427B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.108 H 256.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#15427B
RGBrgb(21, 66, 123)
HSLhsl(214, 71%, 28%)
HSVhsv(214, 83%, 48%)
CMYKcmyk(82.9%, 46.3%, 0%, 51.8%)
CIE-LABlab(28.07, 7.23, -36.72)
CIE-LCHlch(28.07, 37.42, 281.13°)
OKLaboklab(38.19% -0.0258 -0.1053)
OKLCHoklch(38.19% 0.108 256.2)
XYZxyz(5.8313, 5.4852, 19.4865)
Luminance0.0549 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15427B #7B4E15
analogous
#15757B #15427B #1B157B
triadic
#15427B #7B1542 #427B15
tetradic
#15427B #7B1575 #7B4E15 #157B1B
square
#15427B #7B1575 #7B4E15 #157B1B
split-complementary
#15427B #7B1B15 #757B15
monochromatic
#040E1A #0C2647 #15427B #1E5EAF #2F7BDB

Accessibility & contrast

On white

10.01
#15427B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.10
#15427B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15427B
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15427B#FFFFFF#000000##FFFFFF
##15427B1.0010.012.1010.01
#FFFFFF10.011.0021.001.00
#0000002.1021.001.0021.00
##FFFFFF10.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#24477D
Deuteranopia (green-blind)
#0E3E7A
Tritanopia (blue-blind)
#005058
Achromatopsia (no color)
#424242

Design tokens & code

CSS
--color: #15427b;
/* rgb */ color: rgb(21, 66, 123);
/* oklch */ color: oklch(38.2% 0.108 256.2);
Tailwind
colors: {
  custom: {
    50: '#6475a1',
    500: '#15427b',
    950: '#000000',
  },
}
SCSS
$custom: #15427b;
$custom-light: #6475a1;
$custom-dark: #000000;
JSON
{
  "hex": "#15427b",
  "rgb": {
    "r": 21,
    "g": 66,
    "b": 123
  },
  "hsl": {
    "h": 213.529,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38192,
    "c": 0.10841,
    "h": 256.2
  },
  "luminance": 0.05486
}

Semantic roles & 50–950 ramp

primary
#15427B
secondary
#B07D3B
accent
#9E3AEE
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#06080F
muted
#7A7B7F

Preview Lab

Preview with #15427B

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

Preview Lab → · Contrast checker → · Palette generator →

#15427B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva