#13315B#13315B

#13315B is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.5% C 0.083 H 257.4°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#13315B
RGB	rgb(19, 49, 91)
HSL	hsl(215, 65%, 22%)
HSV	hsv(215, 79%, 36%)
CMYK	cmyk(79.1%, 46.2%, 0%, 64.3%)
CIE-LAB	lab(20.40, 5.46, -28.43)
CIE-LCH	lch(20.40, 28.95, 280.88°)
OKLab	oklab(31.53% -0.0181 -0.0813)
OKLCH	oklch(31.53% 0.083 257.4)
XYZ	xyz(3.2545, 3.0900, 10.3204)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13315B #5B3D13

analogous

#13555B #13315B #19135B

triadic

#13315B #5B1331 #315B13

tetradic

#13315B #5B1355 #5B3D13 #135B19

square

#13315B #5B1355 #5B3D13 #135B19

split-complementary

#13315B #5B1913 #555B13

monochromatic

#050E19 #081628 #13315B #1E4C8E #2868C0

Accessibility & contrast

On white

12.98

#13315B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#13315B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13315B

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13315B	#FFFFFF	#000000	##FFFFFF
##13315B	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C355D

Deuteranopia (green-blind)

#0F2E5A

Tritanopia (blue-blind)

#003B41

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #13315b;
/* rgb */ color: rgb(19, 49, 91);
/* oklch */ color: oklch(31.5% 0.083 257.4);

Tailwind

colors: {
  custom: {
    50: '#5c688a',
    500: '#13315b',
    950: '#000000',
  },
}

SCSS

$custom: #13315b;
$custom-light: #5c688a;
$custom-dark: #000000;

JSON

{
  "hex": "#13315b",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 91
  },
  "hsl": {
    "h": 215,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31533,
    "c": 0.08331,
    "h": 257.4
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#13315B

secondary

#936D37

accent

#A23FE8

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #13315B

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

Preview Lab → · Contrast checker → · Palette generator →