#15366D#15366D

#15366D is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.103 H 260.1°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#15366D
RGB	rgb(21, 54, 109)
HSL	hsl(218, 68%, 25%)
HSV	hsv(218, 81%, 43%)
CMYK	cmyk(80.7%, 50.5%, 0%, 57.3%)
CIE-LAB	lab(23.34, 9.78, -35.43)
CIE-LCH	lch(23.34, 36.76, 285.44°)
OKLab	oklab(34.23% -0.0178 -0.1018)
OKLCH	oklch(34.23% 0.103 260.1)
XYZ	xyz(4.3877, 3.9014, 14.9868)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15366D #6D4C15

analogous

#15626D #15366D #20156D

triadic

#15366D #6D1536 #366D15

tetradic

#15366D #6D1562 #6D4C15 #156D20

square

#15366D #6D1562 #6D4C15 #156D20

split-complementary

#15366D #6D2015 #626D15

monochromatic

#050D1A #0B1D3A #15366D #1F4FA0 #2969D4

Accessibility & contrast

On white

11.80

#15366D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#15366D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15366D

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15366D	#FFFFFF	#000000	##FFFFFF
##15366D	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173C6F

Deuteranopia (green-blind)

#00346C

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15366d;
/* rgb */ color: rgb(21, 54, 109);
/* oklch */ color: oklch(34.2% 0.103 260.1);

Tailwind

colors: {
  custom: {
    50: '#616c97',
    500: '#15366d',
    950: '#000000',
  },
}

SCSS

$custom: #15366d;
$custom-light: #616c97;
$custom-dark: #000000;

JSON

{
  "hex": "#15366d",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 109
  },
  "hsl": {
    "h": 217.5,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3423,
    "c": 0.10332,
    "h": 260.1
  },
  "luminance": 0.03902
}

Semantic roles & 50–950 ramp

primary

#15366D

secondary

#A37C3A

accent

#AA3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #15366D

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

Preview Lab → · Contrast checker → · Palette generator →