#13317F#13317F

#13317F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.6% C 0.137 H 264.3°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#13317F
RGB	rgb(19, 49, 127)
HSL	hsl(223, 74%, 29%)
HSV	hsv(223, 85%, 50%)
CMYK	cmyk(85%, 61.4%, 0%, 50.2%)
CIE-LAB	lab(23.23, 20.69, -47.09)
CIE-LCH	lch(23.23, 51.43, 293.72°)
OKLab	oklab(34.58% -0.0136 -0.1362)
OKLCH	oklch(34.58% 0.137 264.3)
XYZ	xyz(5.1963, 3.8667, 20.5470)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13317F #7F6113

analogous

#13677F #13317F #2B137F

triadic

#13317F #7F1331 #317F13

tetradic

#13317F #7F1367 #7F6113 #137F2B

square

#13317F #7F1367 #7F6113 #137F2B

split-complementary

#13317F #7F2B13 #677F13

monochromatic

#040A1B #0B1C4A #13317F #1B46B4 #2D5EE0

Accessibility & contrast

On white

11.84

#13317F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#13317F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13317F

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13317F	#FFFFFF	#000000	##FFFFFF
##13317F	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D82

Deuteranopia (green-blind)

#00337E

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #13317f;
/* rgb */ color: rgb(19, 49, 127);
/* oklch */ color: oklch(34.6% 0.137 264.3);

Tailwind

colors: {
  custom: {
    50: '#6668a5',
    500: '#13317f',
    950: '#000000',
  },
}

SCSS

$custom: #13317f;
$custom-light: #6668a5;
$custom-dark: #000000;

JSON

{
  "hex": "#13317f",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 127
  },
  "hsl": {
    "h": 223.333,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34577,
    "c": 0.13685,
    "h": 264.3
  },
  "luminance": 0.03867
}

Semantic roles & 50–950 ramp

primary

#13317F

secondary

#B49239

accent

#BD37F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #13317F

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

Preview Lab → · Contrast checker → · Palette generator →