#15128F#15128F

#15128F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.189 H 269.2°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#15128F
RGB	rgb(21, 18, 143)
HSL	hsl(241, 78%, 32%)
HSV	hsv(241, 87%, 56%)
CMYK	cmyk(85.3%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(18.25, 45.54, -65.32)
CIE-LCH	lch(18.25, 79.63, 304.88°)
OKLab	oklab(31.54% -0.0027 -0.189)
OKLCH	oklch(31.54% 0.189 269.2)
XYZ	xyz(5.4818, 2.5746, 26.1893)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15128F #8C8F12

analogous

#124E8F #15128F #54128F

triadic

#15128F #8F1512 #128F15

tetradic

#15128F #8F124E #8C8F12 #128F54

square

#15128F #8F124E #8C8F12 #128F54

split-complementary

#15128F #8F5412 #4E8F12

monochromatic

#050422 #0D0B59 #15128F #1D19C5 #3A36E6

Accessibility & contrast

On white

13.86

#15128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#15128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15128F

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15128F	#FFFFFF	#000000	##FFFFFF
##15128F	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00268D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #15128f;
/* rgb */ color: rgb(21, 18, 143);
/* oklch */ color: oklch(31.5% 0.189 269.2);

Tailwind

colors: {
  custom: {
    50: '#6e55b1',
    500: '#15128f',
    950: '#000000',
  },
}

SCSS

$custom: #15128f;
$custom-light: #6e55b1;
$custom-dark: #000000;

JSON

{
  "hex": "#15128f",
  "rgb": {
    "r": 21,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 241.44,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31539,
    "c": 0.18906,
    "h": 269.2
  },
  "luminance": 0.02575
}

Semantic roles & 50–950 ramp

primary

#15128F

secondary

#C0C33A

accent

#F434F0

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #15128F

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

Preview Lab → · Contrast checker → · Palette generator →