#15166B#15166B

#15166B is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.5% C 0.141 H 271.7°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#15166B
RGB	rgb(21, 22, 107)
HSL	hsl(239, 67%, 25%)
HSV	hsv(239, 80%, 42%)
CMYK	cmyk(80.4%, 79.4%, 0%, 58%)
CIE-LAB	lab(14.37, 31.37, -48.78)
CIE-LCH	lch(14.37, 58.00, 302.74°)
OKLab	oklab(27.52% 0.0043 -0.1412)
OKLCH	oklch(27.52% 0.141 271.7)
XYZ	xyz(3.2491, 1.7944, 14.0822)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15166B #6B6A15

analogous

#15416B #15166B #3F156B

triadic

#15166B #6B1516 #166B15

tetradic

#15166B #6B1541 #6B6A15 #156B3F

square

#15166B #6B1541 #6B6A15 #156B3F

split-complementary

#15166B #6B3F15 #416B15

monochromatic

#05051A #0B0B38 #15166B #1F219E #292BD1

Accessibility & contrast

On white

15.45

#15166B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#15166B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15166B

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15166B	#FFFFFF	#000000	##FFFFFF
##15166B	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296D

Deuteranopia (green-blind)

#00206A

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #15166b;
/* rgb */ color: rgb(21, 22, 107);
/* oklch */ color: oklch(27.5% 0.141 271.7);

Tailwind

colors: {
  custom: {
    50: '#635496',
    500: '#15166b',
    950: '#000000',
  },
}

SCSS

$custom: #15166b;
$custom-light: #635496;
$custom-dark: #000000;

JSON

{
  "hex": "#15166b",
  "rgb": {
    "r": 21,
    "g": 22,
    "b": 107
  },
  "hsl": {
    "h": 239.302,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27516,
    "c": 0.14129,
    "h": 271.7
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#15166B

secondary

#A2A03A

accent

#E83EEA

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #15166B

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

Preview Lab → · Contrast checker → · Palette generator →