#13336B#13336B

#13336B is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.3% C 0.105 H 260.7°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#13336B
RGB	rgb(19, 51, 107)
HSL	hsl(218, 70%, 25%)
HSV	hsv(218, 82%, 42%)
CMYK	cmyk(82.2%, 52.3%, 0%, 58%)
CIE-LAB	lab(22.19, 10.84, -36.01)
CIE-LCH	lch(22.19, 37.61, 286.75°)
OKLab	oklab(33.28% -0.017 -0.1036)
OKLCH	oklch(33.28% 0.105 260.7)
XYZ	xyz(4.1053, 3.5672, 14.3792)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13336B #6B4B13

analogous

#135F6B #13336B #1F136B

triadic

#13336B #6B1333 #336B13

tetradic

#13336B #6B135F #6B4B13 #136B1F

square

#13336B #6B135F #6B4B13 #136B1F

split-complementary

#13336B #6B1F13 #5F6B13

monochromatic

#050C1A #0A1A37 #13336B #1C4C9F #2565D3

Accessibility & contrast

On white

12.25

#13336B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#13336B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13336B

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13336B	#FFFFFF	#000000	##FFFFFF
##13336B	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11396D

Deuteranopia (green-blind)

#00316A

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #13336b;
/* rgb */ color: rgb(19, 51, 107);
/* oklch */ color: oklch(33.3% 0.105 260.7);

Tailwind

colors: {
  custom: {
    50: '#606a96',
    500: '#13336b',
    950: '#000000',
  },
}

SCSS

$custom: #13336b;
$custom-light: #606a96;
$custom-dark: #000000;

JSON

{
  "hex": "#13336b",
  "rgb": {
    "r": 19,
    "g": 51,
    "b": 107
  },
  "hsl": {
    "h": 218.182,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.33275,
    "c": 0.10496,
    "h": 260.7
  },
  "luminance": 0.03568
}

Semantic roles & 50–950 ramp

primary

#13336B

secondary

#A27B38

accent

#AC3BED

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #13336B

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

Preview Lab → · Contrast checker → · Palette generator →