#15247C#15247C

#15247C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.148 H 268.2°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#15247C
RGB	rgb(21, 36, 124)
HSL	hsl(231, 71%, 28%)
HSV	hsv(231, 83%, 49%)
CMYK	cmyk(83.1%, 71%, 0%, 51.4%)
CIE-LAB	lab(19.54, 28.72, -51.22)
CIE-LCH	lch(19.54, 58.73, 299.28°)
OKLab	oklab(31.79% -0.0046 -0.1484)
OKLCH	oklch(31.79% 0.148 268.2)
XYZ	xyz(4.5770, 2.8759, 19.3787)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15247C #7C6D15

analogous

#15577C #15247C #39157C

triadic

#15247C #7C1524 #247C15

tetradic

#15247C #7C1557 #7C6D15 #157C39

square

#15247C #7C1557 #7C6D15 #157C39

split-complementary

#15247C #7C3915 #577C15

monochromatic

#04081A #0C1548 #15247C #1E33B0 #3049DC

Accessibility & contrast

On white

13.33

#15247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#15247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15247C

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15247C	#FFFFFF	#000000	##FFFFFF
##15247C	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #15247c;
/* rgb */ color: rgb(21, 36, 124);
/* oklch */ color: oklch(31.8% 0.148 268.2);

Tailwind

colors: {
  custom: {
    50: '#675fa3',
    500: '#15247c',
    950: '#000000',
  },
}

SCSS

$custom: #15247c;
$custom-light: #675fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#15247c",
  "rgb": {
    "r": 21,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 231.262,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31791,
    "c": 0.14845,
    "h": 268.2
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#15247C

secondary

#B1A03C

accent

#D43AEE

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #15247C

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

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