#15166C#15166C

#15166C is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.143 H 271.6°. Best body text is #FFFFFF at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#15166C
RGB	rgb(21, 22, 108)
HSL	hsl(239, 67%, 25%)
HSV	hsv(239, 81%, 42%)
CMYK	cmyk(80.6%, 79.6%, 0%, 57.6%)
CIE-LAB	lab(14.49, 31.73, -49.24)
CIE-LCH	lch(14.49, 58.58, 302.80°)
OKLab	oklab(27.64% 0.0041 -0.1425)
OKLCH	oklch(27.64% 0.143 271.6)
XYZ	xyz(3.3020, 1.8156, 14.3609)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15166C #6C6B15

analogous

#15426C #15166C #3F156C

triadic

#15166C #6C1516 #166C15

tetradic

#15166C #6C1542 #6C6B15 #156C3F

square

#15166C #6C1542 #6C6B15 #156C3F

split-complementary

#15166C #6C3F15 #426C15

monochromatic

#05051A #0B0C39 #15166C #1F209F #292BD2

Accessibility & contrast

On white

15.40

#15166C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#15166C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15166C

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15166C	#FFFFFF	#000000	##FFFFFF
##15166C	1.00	15.40	1.36	15.40
#FFFFFF	15.40	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296E

Deuteranopia (green-blind)

#00206A

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15166c;
/* rgb */ color: rgb(21, 22, 108);
/* oklch */ color: oklch(27.6% 0.143 271.6);

Tailwind

colors: {
  custom: {
    50: '#645497',
    500: '#15166c',
    950: '#000000',
  },
}

SCSS

$custom: #15166c;
$custom-light: #645497;
$custom-dark: #000000;

JSON

{
  "hex": "#15166c",
  "rgb": {
    "r": 21,
    "g": 22,
    "b": 108
  },
  "hsl": {
    "h": 239.31,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.27636,
    "c": 0.14261,
    "h": 271.6
  },
  "luminance": 0.01816
}

Semantic roles & 50–950 ramp

primary

#15166C

secondary

#A3A13A

accent

#E83DEA

background

#F6F4F9

surface

#EBE8F2

border

#C6C4CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15166C

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

Preview Lab → · Contrast checker → · Palette generator →