#15327B#15327B

#15327B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.5% C 0.129 H 264.2°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#15327B
RGB	rgb(21, 50, 123)
HSL	hsl(223, 71%, 28%)
HSV	hsv(223, 83%, 48%)
CMYK	cmyk(82.9%, 59.3%, 0%, 51.8%)
CIE-LAB	lab(23.24, 18.52, -44.54)
CIE-LCH	lch(23.24, 48.23, 292.58°)
OKLab	oklab(34.5% -0.013 -0.1286)
OKLCH	oklch(34.5% 0.129 264.2)
XYZ	xyz(5.0237, 3.8701, 19.2173)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15327B #7B5E15

analogous

#15657B #15327B #2B157B

triadic

#15327B #7B1532 #327B15

tetradic

#15327B #7B1565 #7B5E15 #157B2B

square

#15327B #7B1565 #7B5E15 #157B2B

split-complementary

#15327B #7B2B15 #657B15

monochromatic

#040B1A #0C1D47 #15327B #1E47AF #2F60DB

Accessibility & contrast

On white

11.84

#15327B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#15327B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15327B

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15327B	#FFFFFF	#000000	##FFFFFF
##15327B	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #15327b;
/* rgb */ color: rgb(21, 50, 123);
/* oklch */ color: oklch(34.5% 0.129 264.2);

Tailwind

colors: {
  custom: {
    50: '#6569a2',
    500: '#15327b',
    950: '#000000',
  },
}

SCSS

$custom: #15327b;
$custom-light: #6569a2;
$custom-dark: #000000;

JSON

{
  "hex": "#15327b",
  "rgb": {
    "r": 21,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 222.941,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34497,
    "c": 0.12929,
    "h": 264.2
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#15327B

secondary

#B08F3B

accent

#BB3AEE

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15327B

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

Preview Lab → · Contrast checker → · Palette generator →