#15376B#15376B

#15376B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.3% C 0.099 H 258.9°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#15376B
RGBrgb(21, 55, 107)
HSLhsl(216, 67%, 25%)
HSVhsv(216, 80%, 42%)
CMYKcmyk(80.4%, 48.6%, 0%, 58%)
CIE-LABlab(23.51, 8.23, -33.87)
CIE-LCHlch(23.51, 34.85, 283.66°)
OKLaboklab(34.32% -0.0191 -0.0971)
OKLCHoklch(34.32% 0.099 258.9)
XYZxyz(4.3283, 3.9528, 14.4419)
Luminance0.0395 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15376B #6B4915
analogous
#15626B #15376B #1E156B
triadic
#15376B #6B1537 #376B15
tetradic
#15376B #6B1562 #6B4915 #156B1E
square
#15376B #6B1562 #6B4915 #156B1E
split-complementary
#15376B #6B1E15 #626B15
monochromatic
#050D1A #0B1D38 #15376B #1F519E #296CD1

Accessibility & contrast

On white

11.73
#15376B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#15376B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15376B
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15376B#FFFFFF#000000##FFFFFF
##15376B1.0011.731.7911.73
#FFFFFF11.731.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B3C6D
Deuteranopia (green-blind)
#07346A
Tritanopia (blue-blind)
#00434B
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #15376b;
/* rgb */ color: rgb(21, 55, 107);
/* oklch */ color: oklch(34.3% 0.099 258.9);
Tailwind
colors: {
  custom: {
    50: '#616d96',
    500: '#15376b',
    950: '#000000',
  },
}
SCSS
$custom: #15376b;
$custom-light: #616d96;
$custom-dark: #000000;
JSON
{
  "hex": "#15376b",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 216.279,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34316,
    "c": 0.09901,
    "h": 258.9
  },
  "luminance": 0.03953
}

Semantic roles & 50–950 ramp

primary
#15376B
secondary
#A2793A
accent
#A63EEA
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#05070D
muted
#7A7A7E

Preview Lab

Preview with #15376B

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

Preview Lab → · Contrast checker → · Palette generator →

#15376B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva