#15347F#15347F

#15347F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.132 H 263.9°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#15347F
RGB	rgb(21, 52, 127)
HSL	hsl(222, 72%, 29%)
HSV	hsv(222, 83%, 50%)
CMYK	cmyk(83.5%, 59.1%, 0%, 50.2%)
CIE-LAB	lab(24.15, 18.75, -45.57)
CIE-LCH	lch(24.15, 49.28, 292.36°)
OKLab	oklab(35.29% -0.0142 -0.1316)
OKLCH	oklch(35.29% 0.132 263.9)
XYZ	xyz(5.3667, 4.1471, 20.5922)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15347F #7F6015

analogous

#15697F #15347F #2B157F

triadic

#15347F #7F1534 #347F15

tetradic

#15347F #7F1569 #7F6015 #157F2B

square

#15347F #7F1569 #7F6015 #157F2B

split-complementary

#15347F #7F2B15 #697F15

monochromatic

#040B1A #0C1E4A #15347F #1E4AB4 #3164DD

Accessibility & contrast

On white

11.48

#15347F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#15347F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15347F

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15347F	#FFFFFF	#000000	##FFFFFF
##15347F	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00357E

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15347f;
/* rgb */ color: rgb(21, 52, 127);
/* oklch */ color: oklch(35.3% 0.132 263.9);

Tailwind

colors: {
  custom: {
    50: '#666aa5',
    500: '#15347f',
    950: '#000000',
  },
}

SCSS

$custom: #15347f;
$custom-light: #666aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#15347f",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 127
  },
  "hsl": {
    "h": 222.453,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35291,
    "c": 0.1324,
    "h": 263.9
  },
  "luminance": 0.04148
}

Semantic roles & 50–950 ramp

primary

#15347F

secondary

#B4913C

accent

#B939EE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15347F

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

Preview Lab → · Contrast checker → · Palette generator →