#15306F#15306F

#15306F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.0% C 0.114 H 263.8°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#15306F
RGB	rgb(21, 48, 111)
HSL	hsl(222, 68%, 26%)
HSV	hsv(222, 81%, 44%)
CMYK	cmyk(81.1%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(21.65, 14.95, -39.45)
CIE-LCH	lch(21.65, 42.18, 290.75°)
OKLab	oklab(32.99% -0.0124 -0.1137)
OKLCH	oklch(32.99% 0.114 263.8)
XYZ	xyz(4.2344, 3.4205, 15.4729)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15306F #6F5415

analogous

#155D6F #15306F #27156F

triadic

#15306F #6F1530 #306F15

tetradic

#15306F #6F155D #6F5415 #156F27

square

#15306F #6F155D #6F5415 #156F27

split-complementary

#15306F #6F2715 #5D6F15

monochromatic

#050B1A #0B1A3C #15306F #1F46A2 #285DD6

Accessibility & contrast

On white

12.47

#15306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#15306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15306F

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15306F	#FFFFFF	#000000	##FFFFFF
##15306F	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003871

Deuteranopia (green-blind)

#00306E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15306f;
/* rgb */ color: rgb(21, 48, 111);
/* oklch */ color: oklch(33.0% 0.114 263.8);

Tailwind

colors: {
  custom: {
    50: '#626799',
    500: '#15306f',
    950: '#000000',
  },
}

SCSS

$custom: #15306f;
$custom-light: #626799;
$custom-dark: #000000;

JSON

{
  "hex": "#15306f",
  "rgb": {
    "r": 21,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 222,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.32991,
    "c": 0.11439,
    "h": 263.8
  },
  "luminance": 0.03421
}

Semantic roles & 50–950 ramp

primary

#15306F

secondary

#A5853A

accent

#B73DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #15306F

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

Preview Lab → · Contrast checker → · Palette generator →