#15186E#15186E

#15186E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.143 H 271.1°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#15186E
RGB	rgb(21, 24, 110)
HSL	hsl(238, 68%, 26%)
HSV	hsv(238, 81%, 43%)
CMYK	cmyk(80.9%, 78.2%, 0%, 56.9%)
CIE-LAB	lab(15.16, 31.23, -49.44)
CIE-LCH	lch(15.16, 58.48, 302.29°)
OKLab	oklab(28.18% 0.0029 -0.1431)
OKLCH	oklch(28.18% 0.143 271.1)
XYZ	xyz(3.4494, 1.9381, 14.9411)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15186E #6E6B15

analogous

#15446E #15186E #3F156E

triadic

#15186E #6E1518 #186E15

tetradic

#15186E #6E1544 #6E6B15 #156E3F

square

#15186E #6E1544 #6E6B15 #156E3F

split-complementary

#15186E #6E3F15 #446E15

monochromatic

#05061A #0B0D3B #15186E #1F23A1 #292ED5

Accessibility & contrast

On white

15.13

#15186E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#15186E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15186E

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15186E	#FFFFFF	#000000	##FFFFFF
##15186E	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A70

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #15186e;
/* rgb */ color: rgb(21, 24, 110);
/* oklch */ color: oklch(28.2% 0.143 271.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#15186e",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 110
  },
  "hsl": {
    "h": 237.978,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28181,
    "c": 0.14317,
    "h": 271.1
  },
  "luminance": 0.01938
}

Semantic roles & 50–950 ramp

primary

#15186E

secondary

#A4A13A

accent

#E53DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15186E

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

Preview Lab → · Contrast checker → · Palette generator →