#15166D#15166D

#15166D is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.144 H 271.6°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#15166D
RGB	rgb(21, 22, 109)
HSL	hsl(239, 68%, 25%)
HSV	hsv(239, 81%, 43%)
CMYK	cmyk(80.7%, 79.8%, 0%, 57.3%)
CIE-LAB	lab(14.61, 32.10, -49.70)
CIE-LCH	lch(14.61, 59.16, 302.86°)
OKLab	oklab(27.76% 0.0039 -0.1439)
OKLCH	oklch(27.76% 0.144 271.6)
XYZ	xyz(3.3556, 1.8370, 14.6428)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15166D #6D6C15

analogous

#15426D #15166D #40156D

triadic

#15166D #6D1516 #166D15

tetradic

#15166D #6D1542 #6D6C15 #156D40

square

#15166D #6D1542 #6D6C15 #156D40

split-complementary

#15166D #6D4015 #426D15

monochromatic

#05051A #0B0C3A #15166D #1F20A0 #292BD4

Accessibility & contrast

On white

15.36

#15166D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#15166D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15166D

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15166D	#FFFFFF	#000000	##FFFFFF
##15166D	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296F

Deuteranopia (green-blind)

#00206B

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15166d;
/* rgb */ color: rgb(21, 22, 109);
/* oklch */ color: oklch(27.8% 0.144 271.6);

Tailwind

colors: {
  custom: {
    50: '#645498',
    500: '#15166d',
    950: '#000000',
  },
}

SCSS

$custom: #15166d;
$custom-light: #645498;
$custom-dark: #000000;

JSON

{
  "hex": "#15166d",
  "rgb": {
    "r": 21,
    "g": 22,
    "b": 109
  },
  "hsl": {
    "h": 239.318,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.27755,
    "c": 0.14392,
    "h": 271.6
  },
  "luminance": 0.01837
}

Semantic roles & 50–950 ramp

primary

#15166D

secondary

#A3A23A

accent

#E93DEB

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15166D

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

Preview Lab → · Contrast checker → · Palette generator →