#15186F#15186F

#15186F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.144 H 271.1°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#15186F
RGB	rgb(21, 24, 111)
HSL	hsl(238, 68%, 26%)
HSV	hsv(238, 81%, 44%)
CMYK	cmyk(81.1%, 78.4%, 0%, 56.5%)
CIE-LAB	lab(15.28, 31.60, -49.89)
CIE-LCH	lch(15.28, 59.06, 302.35°)
OKLab	oklab(28.3% 0.0027 -0.1445)
OKLCH	oklch(28.3% 0.144 271.1)
XYZ	xyz(3.5042, 1.9600, 15.2295)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15186F #6F6C15

analogous

#15456F #15186F #3F156F

triadic

#15186F #6F1518 #186F15

tetradic

#15186F #6F1545 #6F6C15 #156F3F

square

#15186F #6F1545 #6F6C15 #156F3F

split-complementary

#15186F #6F3F15 #456F15

monochromatic

#05061A #0B0D3C #15186F #1F23A2 #282ED6

Accessibility & contrast

On white

15.09

#15186F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#15186F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15186F

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15186F	#FFFFFF	#000000	##FFFFFF
##15186F	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #15186f;
/* rgb */ color: rgb(21, 24, 111);
/* oklch */ color: oklch(28.3% 0.144 271.1);

Tailwind

colors: {
  custom: {
    50: '#645699',
    500: '#15186f',
    950: '#000000',
  },
}

SCSS

$custom: #15186f;
$custom-light: #645699;
$custom-dark: #000000;

JSON

{
  "hex": "#15186f",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 111
  },
  "hsl": {
    "h": 238,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28298,
    "c": 0.14449,
    "h": 271.1
  },
  "luminance": 0.0196
}

Semantic roles & 50–950 ramp

primary

#15186F

secondary

#A5A23A

accent

#E53DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15186F

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

Preview Lab → · Contrast checker → · Palette generator →