#13397F#13397F

#13397F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.3% C 0.126 H 261.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#13397F
RGB	rgb(19, 57, 127)
HSL	hsl(219, 74%, 29%)
HSV	hsv(219, 85%, 50%)
CMYK	cmyk(85%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(25.55, 15.00, -43.30)
CIE-LCH	lch(25.55, 45.83, 289.11°)
OKLab	oklab(36.33% -0.0191 -0.1249)
OKLCH	oklch(36.33% 0.126 261.3)
XYZ	xyz(5.5611, 4.5963, 20.6686)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13397F #7F5913

analogous

#136F7F #13397F #23137F

triadic

#13397F #7F1339 #397F13

tetradic

#13397F #7F136F #7F5913 #137F23

square

#13397F #7F136F #7F5913 #137F23

split-complementary

#13397F #7F2313 #6F7F13

monochromatic

#040C1B #0B214A #13397F #1B51B4 #2D6CE0

Accessibility & contrast

On white

10.94

#13397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#13397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13397F

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13397F	#FFFFFF	#000000	##FFFFFF
##13397F	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024281

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #13397f;
/* rgb */ color: rgb(19, 57, 127);
/* oklch */ color: oklch(36.3% 0.126 261.3);

Tailwind

colors: {
  custom: {
    50: '#656ea5',
    500: '#13397f',
    950: '#000000',
  },
}

SCSS

$custom: #13397f;
$custom-light: #656ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#13397f",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 218.889,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36332,
    "c": 0.12634,
    "h": 261.3
  },
  "luminance": 0.04597
}

Semantic roles & 50–950 ramp

primary

#13397F

secondary

#B48939

accent

#AF37F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13397F

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

Preview Lab → · Contrast checker → · Palette generator →