#13287F#13287F

#13287F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.8% C 0.148 H 266.7°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#13287F
RGB	rgb(19, 40, 127)
HSL	hsl(228, 74%, 29%)
HSV	hsv(228, 85%, 50%)
CMYK	cmyk(85%, 68.5%, 0%, 50.2%)
CIE-LAB	lab(20.78, 27.00, -51.09)
CIE-LCH	lch(20.78, 57.79, 297.86°)
OKLab	oklab(32.77% -0.0085 -0.148)
OKLCH	oklch(32.77% 0.148 266.7)
XYZ	xyz(4.8568, 3.1878, 20.4339)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13287F #7F6A13

analogous

#135E7F #13287F #34137F

triadic

#13287F #7F1328 #287F13

tetradic

#13287F #7F135E #7F6A13 #137F34

square

#13287F #7F135E #7F6A13 #137F34

split-complementary

#13287F #7F3413 #5E7F13

monochromatic

#04081B #0B174A #13287F #1B39B4 #2D50E0

Accessibility & contrast

On white

12.82

#13287F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#13287F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13287F

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13287F	#FFFFFF	#000000	##FFFFFF
##13287F	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002D7D

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #13287f;
/* rgb */ color: rgb(19, 40, 127);
/* oklch */ color: oklch(32.8% 0.148 266.7);

Tailwind

colors: {
  custom: {
    50: '#6761a5',
    500: '#13287f',
    950: '#000000',
  },
}

SCSS

$custom: #13287f;
$custom-light: #6761a5;
$custom-dark: #000000;

JSON

{
  "hex": "#13287f",
  "rgb": {
    "r": 19,
    "g": 40,
    "b": 127
  },
  "hsl": {
    "h": 228.333,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32766,
    "c": 0.14825,
    "h": 266.7
  },
  "luminance": 0.03188
}

Semantic roles & 50–950 ramp

primary

#13287F

secondary

#B49D39

accent

#CD37F1

background

#F6F5FA

surface

#EBEAF4

border

#C6C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #13287F

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

Preview Lab → · Contrast checker → · Palette generator →