#15367B#15367B

#15367B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.124 H 262.6°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX#15367B
RGBrgb(21, 54, 123)
HSLhsl(221, 71%, 28%)
HSVhsv(221, 83%, 48%)
CMYKcmyk(82.9%, 56.1%, 0%, 51.8%)
CIE-LABlab(24.41, 15.66, -42.63)
CIE-LCHlch(24.41, 45.42, 290.18°)
OKLaboklab(35.38% -0.0159 -0.123)
OKLCHoklch(35.38% 0.124 262.6)
XYZxyz(5.2023, 4.2272, 19.2768)
Luminance0.0423 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15367B #7B5A15
analogous
#15697B #15367B #27157B
triadic
#15367B #7B1536 #367B15
tetradic
#15367B #7B1569 #7B5A15 #157B27
square
#15367B #7B1569 #7B5A15 #157B27
split-complementary
#15367B #7B2715 #697B15
monochromatic
#040B1A #0C1F47 #15367B #1E4DAF #2F67DB

Accessibility & contrast

On white

11.38
#15367B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#15367B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15367B
11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15367B#FFFFFF#000000##FFFFFF
##15367B1.0011.381.8511.38
#FFFFFF11.381.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003F7D
Deuteranopia (green-blind)
#00367A
Tritanopia (blue-blind)
#004753
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #15367b;
/* rgb */ color: rgb(21, 54, 123);
/* oklch */ color: oklch(35.4% 0.124 262.6);
Tailwind
colors: {
  custom: {
    50: '#656ca2',
    500: '#15367b',
    950: '#000000',
  },
}
SCSS
$custom: #15367b;
$custom-light: #656ca2;
$custom-dark: #000000;
JSON
{
  "hex": "#15367b",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 220.588,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35382,
    "c": 0.12399,
    "h": 262.6
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary
#15367B
secondary
#B08B3B
accent
#B43AEE
background
#F6F6FA
surface
#EBEBF3
border
#C6C6CD
text
#06060F
muted
#7A7A7F

Preview Lab

Preview with #15367B

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

Preview Lab → · Contrast checker → · Palette generator →

#15367B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva