#15366E#15366E

#15366E is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.3% C 0.105 H 260.3°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#15366E
RGB	rgb(21, 54, 110)
HSL	hsl(218, 68%, 26%)
HSV	hsv(218, 81%, 43%)
CMYK	cmyk(80.9%, 50.9%, 0%, 56.9%)
CIE-LAB	lab(23.42, 10.21, -35.96)
CIE-LCH	lch(23.42, 37.38, 285.85°)
OKLab	oklab(34.31% -0.0176 -0.1033)
OKLCH	oklch(34.31% 0.105 260.3)
XYZ	xyz(4.4419, 3.9230, 15.2719)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15366E #6E4D15

analogous

#15626E #15366E #20156E

triadic

#15366E #6E1536 #366E15

tetradic

#15366E #6E1562 #6E4D15 #156E20

square

#15366E #6E1562 #6E4D15 #156E20

split-complementary

#15366E #6E2015 #626E15

monochromatic

#050D1A #0B1D3B #15366E #1F4FA1 #2968D5

Accessibility & contrast

On white

11.77

#15366E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#15366E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15366E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15366E	#FFFFFF	#000000	##FFFFFF
##15366E	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163C70

Deuteranopia (green-blind)

#00346D

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15366e;
/* rgb */ color: rgb(21, 54, 110);
/* oklch */ color: oklch(34.3% 0.105 260.3);

Tailwind

colors: {
  custom: {
    50: '#616c98',
    500: '#15366e',
    950: '#000000',
  },
}

SCSS

$custom: #15366e;
$custom-light: #616c98;
$custom-dark: #000000;

JSON

{
  "hex": "#15366e",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 110
  },
  "hsl": {
    "h": 217.753,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34309,
    "c": 0.10482,
    "h": 260.3
  },
  "luminance": 0.03924
}

Semantic roles & 50–950 ramp

primary

#15366E

secondary

#A47D3A

accent

#AA3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #15366E

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

Preview Lab → · Contrast checker → · Palette generator →