#15347D#15347D

#15347D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.130 H 263.7°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#15347D
RGB	rgb(21, 52, 125)
HSL	hsl(222, 71%, 29%)
HSV	hsv(222, 83%, 49%)
CMYK	cmyk(83.2%, 58.4%, 0%, 51%)
CIE-LAB	lab(23.98, 17.92, -44.58)
CIE-LCH	lch(23.98, 48.05, 291.90°)
OKLab	oklab(35.11% -0.0143 -0.1287)
OKLCH	oklch(35.11% 0.13 263.7)
XYZ	xyz(5.2376, 4.0955, 19.9125)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15347D #7D5E15

analogous

#15687D #15347D #2A157D

triadic

#15347D #7D1534 #347D15

tetradic

#15347D #7D1568 #7D5E15 #157D2A

square

#15347D #7D1568 #7D5E15 #157D2A

split-complementary

#15347D #7D2A15 #687D15

monochromatic

#040B1A #0C1E49 #15347D #1E4AB1 #3063DC

Accessibility & contrast

On white

11.54

#15347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#15347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15347D

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15347D	#FFFFFF	#000000	##FFFFFF
##15347D	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15347d;
/* rgb */ color: rgb(21, 52, 125);
/* oklch */ color: oklch(35.1% 0.130 263.7);

Tailwind

colors: {
  custom: {
    50: '#666aa3',
    500: '#15347d',
    950: '#000000',
  },
}

SCSS

$custom: #15347d;
$custom-light: #666aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#15347d",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 222.115,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35112,
    "c": 0.12953,
    "h": 263.7
  },
  "luminance": 0.04096
}

Semantic roles & 50–950 ramp

primary

#15347D

secondary

#B28F3C

accent

#B83AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15347D

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

Preview Lab → · Contrast checker → · Palette generator →