#15213B#15213B

#15213B is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.1% C 0.052 H 264.2°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX#15213B
RGBrgb(21, 33, 59)
HSLhsl(221, 48%, 16%)
HSVhsv(221, 64%, 23%)
CMYKcmyk(64.4%, 44.1%, 0%, 76.9%)
CIE-LABlab(13.00, 4.26, -18.38)
CIE-LCHlch(13.00, 18.86, 283.04°)
OKLaboklab(25.14% -0.0052 -0.0521)
OKLCHoklch(25.14% 0.052 264.2)
XYZxyz(1.6423, 1.5628, 4.3519)
Luminance0.0156 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15213B #3B2F15
analogous
#15343B #15213B #1C153B
triadic
#15213B #3B1521 #213B15
tetradic
#15213B #3B1534 #3B2F15 #153B1C
square
#15213B #3B1534 #3B2F15 #153B1C
split-complementary
#15213B #3B1C15 #343B15
monochromatic
#080D17 #080D17 #15213B #253A68 #355395

Accessibility & contrast

On white

16.00
#15213B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#15213B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15213B
16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15213B#FFFFFF#000000##FFFFFF
##15213B1.0016.001.3116.00
#FFFFFF16.001.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#16233C
Deuteranopia (green-blind)
#12203A
Tritanopia (blue-blind)
#01272B
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #15213b;
/* rgb */ color: rgb(21, 33, 59);
/* oklch */ color: oklch(25.1% 0.052 264.2);
Tailwind
colors: {
  custom: {
    50: '#565b71',
    500: '#15213b',
    950: '#000000',
  },
}
SCSS
$custom: #15213b;
$custom-light: #565b71;
$custom-dark: #000000;
JSON
{
  "hex": "#15213b",
  "rgb": {
    "r": 21,
    "g": 33,
    "b": 59
  },
  "hsl": {
    "h": 221.053,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25141,
    "c": 0.05232,
    "h": 264.2
  },
  "luminance": 0.01563
}

Semantic roles & 50–950 ramp

primary
#15213B
secondary
#726039
accent
#AD51D7
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030407
muted
#78797A

Preview Lab

Preview with #15213B

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

Preview Lab → · Contrast checker → · Palette generator →

#15213B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva