#15186D#15186D

#15186D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.142 H 271.2°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#15186D
RGB	rgb(21, 24, 109)
HSL	hsl(238, 68%, 25%)
HSV	hsv(238, 81%, 43%)
CMYK	cmyk(80.7%, 78%, 0%, 57.3%)
CIE-LAB	lab(15.04, 30.87, -48.98)
CIE-LCH	lch(15.04, 57.89, 302.22°)
OKLab	oklab(28.06% 0.003 -0.1418)
OKLCH	oklch(28.06% 0.142 271.2)
XYZ	xyz(3.3953, 1.9165, 14.6560)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15186D #6D6A15

analogous

#15446D #15186D #3E156D

triadic

#15186D #6D1518 #186D15

tetradic

#15186D #6D1544 #6D6A15 #156D3E

square

#15186D #6D1544 #6D6A15 #156D3E

split-complementary

#15186D #6D3E15 #446D15

monochromatic

#05061A #0B0D3A #15186D #1F23A0 #292FD4

Accessibility & contrast

On white

15.18

#15186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#15186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15186D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15186D	#FFFFFF	#000000	##FFFFFF
##15186D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #15186d;
/* rgb */ color: rgb(21, 24, 109);
/* oklch */ color: oklch(28.1% 0.142 271.2);

Tailwind

colors: {
  custom: {
    50: '#645698',
    500: '#15186d',
    950: '#000000',
  },
}

SCSS

$custom: #15186d;
$custom-light: #645698;
$custom-dark: #000000;

JSON

{
  "hex": "#15186d",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 237.955,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28064,
    "c": 0.14183,
    "h": 271.2
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#15186D

secondary

#A3A03A

accent

#E53DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #15186D

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

Preview Lab → · Contrast checker → · Palette generator →