#15347A#15347A

#15347A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.8% C 0.125 H 263.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#15347A
RGB	rgb(21, 52, 122)
HSL	hsl(222, 71%, 28%)
HSV	hsv(222, 83%, 48%)
CMYK	cmyk(82.8%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(23.74, 16.67, -43.09)
CIE-LCH	lch(23.74, 46.20, 291.15°)
OKLab	oklab(34.85% -0.0145 -0.1243)
OKLCH	oklch(34.85% 0.125 263.3)
XYZ	xyz(5.0488, 4.0200, 18.9184)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15347A #7A5B15

analogous

#15667A #15347A #28157A

triadic

#15347A #7A1534 #347A15

tetradic

#15347A #7A1566 #7A5B15 #157A28

square

#15347A #7A1566 #7A5B15 #157A28

split-complementary

#15347A #7A2815 #667A15

monochromatic

#040B1A #0C1E46 #15347A #1E4AAE #2E63DB

Accessibility & contrast

On white

11.64

#15347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#15347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15347A

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15347A	#FFFFFF	#000000	##FFFFFF
##15347A	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7C

Deuteranopia (green-blind)

#003479

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #15347a;
/* rgb */ color: rgb(21, 52, 122);
/* oklch */ color: oklch(34.8% 0.125 263.3);

Tailwind

colors: {
  custom: {
    50: '#656aa1',
    500: '#15347a',
    950: '#000000',
  },
}

SCSS

$custom: #15347a;
$custom-light: #656aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#15347a",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 221.584,
    "s": 70.629,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34848,
    "c": 0.1252,
    "h": 263.3
  },
  "luminance": 0.04021
}

Semantic roles & 50–950 ramp

primary

#15347A

secondary

#AF8C3B

accent

#B63AED

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #15347A

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

Preview Lab → · Contrast checker → · Palette generator →