#15347C#15347C

#15347C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.0% C 0.128 H 263.6°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#15347C
RGB	rgb(21, 52, 124)
HSL	hsl(222, 71%, 28%)
HSV	hsv(222, 83%, 49%)
CMYK	cmyk(83.1%, 58.1%, 0%, 51.4%)
CIE-LAB	lab(23.90, 17.51, -44.09)
CIE-LCH	lch(23.90, 47.44, 291.66°)
OKLab	oklab(35.02% -0.0144 -0.1273)
OKLCH	oklch(35.02% 0.128 263.6)
XYZ	xyz(5.1740, 4.0700, 19.5778)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15347C #7C5D15

analogous

#15677C #15347C #2A157C

triadic

#15347C #7C1534 #347C15

tetradic

#15347C #7C1567 #7C5D15 #157C2A

square

#15347C #7C1567 #7C5D15 #157C2A

split-complementary

#15347C #7C2A15 #677C15

monochromatic

#040B1A #0C1E48 #15347C #1E4AB0 #3063DC

Accessibility & contrast

On white

11.58

#15347C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#15347C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15347C

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15347C	#FFFFFF	#000000	##FFFFFF
##15347C	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7E

Deuteranopia (green-blind)

#00347B

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15347c;
/* rgb */ color: rgb(21, 52, 124);
/* oklch */ color: oklch(35.0% 0.128 263.6);

Tailwind

colors: {
  custom: {
    50: '#656aa3',
    500: '#15347c',
    950: '#000000',
  },
}

SCSS

$custom: #15347c;
$custom-light: #656aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#15347c",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 124
  },
  "hsl": {
    "h": 221.942,
    "s": 71.034,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35024,
    "c": 0.12809,
    "h": 263.6
  },
  "luminance": 0.04071
}

Semantic roles & 50–950 ramp

primary

#15347C

secondary

#B18E3C

accent

#B83AEE

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #15347C

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

Preview Lab → · Contrast checker → · Palette generator →