#15188F#15188F

#15188F is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.185 H 268.9°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#15188F
RGB	rgb(21, 24, 143)
HSL	hsl(239, 74%, 32%)
HSV	hsv(239, 85%, 56%)
CMYK	cmyk(85.3%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(19.20, 42.73, -63.74)
CIE-LCH	lch(19.20, 76.74, 303.83°)
OKLab	oklab(32.2% -0.0036 -0.1846)
OKLCH	oklch(32.2% 0.185 268.9)
XYZ	xyz(5.5921, 2.7952, 26.2261)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15188F #8F8C15

analogous

#15558F #15188F #4F158F

triadic

#15188F #8F1518 #188F15

tetradic

#15188F #8F1555 #8F8C15 #158F4F

square

#15188F #8F1555 #8F8C15 #158F4F

split-complementary

#15188F #8F4F15 #558F15

monochromatic

#050624 #0D0F5A #15188F #1D21C4 #3C40E2

Accessibility & contrast

On white

13.47

#15188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#15188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15188F

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15188F	#FFFFFF	#000000	##FFFFFF
##15188F	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #15188f;
/* rgb */ color: rgb(21, 24, 143);
/* oklch */ color: oklch(32.2% 0.185 268.9);

Tailwind

colors: {
  custom: {
    50: '#6d58b1',
    500: '#15188f',
    950: '#000000',
  },
}

SCSS

$custom: #15188f;
$custom-light: #6d58b1;
$custom-dark: #000000;

JSON

{
  "hex": "#15188f",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 238.525,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32197,
    "c": 0.18463,
    "h": 268.9
  },
  "luminance": 0.02796
}

Semantic roles & 50–950 ramp

primary

#15188F

secondary

#C2BF3E

accent

#EC37F1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #15188F

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

Preview Lab → · Contrast checker → · Palette generator →