#15186A#15186A

#15186A is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.7% C 0.138 H 271.5°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#15186A
RGB	rgb(21, 24, 106)
HSL	hsl(238, 67%, 25%)
HSV	hsv(238, 80%, 42%)
CMYK	cmyk(80.2%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(14.70, 29.75, -47.59)
CIE-LCH	lch(14.70, 56.12, 302.01°)
OKLab	oklab(27.71% 0.0036 -0.1378)
OKLCH	oklch(27.71% 0.138 271.5)
XYZ	xyz(3.2365, 1.8530, 13.8200)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15186A #6A6715

analogous

#15436A #15186A #3C156A

triadic

#15186A #6A1518 #186A15

tetradic

#15186A #6A1543 #6A6715 #156A3C

square

#15186A #6A1543 #6A6715 #156A3C

split-complementary

#15186A #6A3C15 #436A15

monochromatic

#05061A #0B0C37 #15186A #1F249D #292FD0

Accessibility & contrast

On white

15.32

#15186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#15186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15186A

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15186A	#FFFFFF	#000000	##FFFFFF
##15186A	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002169

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #15186a;
/* rgb */ color: rgb(21, 24, 106);
/* oklch */ color: oklch(27.7% 0.138 271.5);

Tailwind

colors: {
  custom: {
    50: '#635696',
    500: '#15186a',
    950: '#000000',
  },
}

SCSS

$custom: #15186a;
$custom-light: #635696;
$custom-dark: #000000;

JSON

{
  "hex": "#15186a",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 237.882,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27714,
    "c": 0.13781,
    "h": 271.5
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#15186A

secondary

#A19D3A

accent

#E43EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #15186A

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

Preview Lab → · Contrast checker → · Palette generator →