#15366F#15366F

#15366F is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.106 H 260.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#15366F
RGB	rgb(21, 54, 111)
HSL	hsl(218, 68%, 26%)
HSV	hsv(218, 81%, 44%)
CMYK	cmyk(81.1%, 51.4%, 0%, 56.5%)
CIE-LAB	lab(23.49, 10.63, -36.48)
CIE-LCH	lch(23.49, 38.00, 286.24°)
OKLab	oklab(34.39% -0.0175 -0.1049)
OKLCH	oklch(34.39% 0.106 260.5)
XYZ	xyz(4.4966, 3.9449, 15.5603)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15366F #6F4E15

analogous

#15636F #15366F #21156F

triadic

#15366F #6F1536 #366F15

tetradic

#15366F #6F1563 #6F4E15 #156F21

square

#15366F #6F1563 #6F4E15 #156F21

split-complementary

#15366F #6F2115 #636F15

monochromatic

#050D1A #0B1D3C #15366F #1F4FA2 #2868D6

Accessibility & contrast

On white

11.74

#15366F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#15366F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15366F

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15366F	#FFFFFF	#000000	##FFFFFF
##15366F	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153C71

Deuteranopia (green-blind)

#00346E

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15366f;
/* rgb */ color: rgb(21, 54, 111);
/* oklch */ color: oklch(34.4% 0.106 260.5);

Tailwind

colors: {
  custom: {
    50: '#626c99',
    500: '#15366f',
    950: '#000000',
  },
}

SCSS

$custom: #15366f;
$custom-light: #626c99;
$custom-dark: #000000;

JSON

{
  "hex": "#15366f",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 111
  },
  "hsl": {
    "h": 218,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34388,
    "c": 0.10631,
    "h": 260.5
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#15366F

secondary

#A57E3A

accent

#AB3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #15366F

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

Preview Lab → · Contrast checker → · Palette generator →