#13357B#13357B

#13357B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.1% C 0.126 H 262.4°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#13357B
RGB	rgb(19, 53, 123)
HSL	hsl(220, 73%, 28%)
HSV	hsv(220, 85%, 48%)
CMYK	cmyk(84.6%, 56.9%, 0%, 51.8%)
CIE-LAB	lab(24.05, 16.17, -43.23)
CIE-LCH	lch(24.05, 46.15, 290.51°)
OKLab	oklab(35.09% -0.0166 -0.1248)
OKLCH	oklch(35.09% 0.126 262.4)
XYZ	xyz(5.1155, 4.1141, 19.2595)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13357B #7B5913

analogous

#13697B #13357B #25137B

triadic

#13357B #7B1335 #357B13

tetradic

#13357B #7B1369 #7B5913 #137B25

square

#13357B #7B1369 #7B5913 #137B25

split-complementary

#13357B #7B2513 #697B13

monochromatic

#040B1B #0B1E46 #13357B #1B4CB0 #2A65DE

Accessibility & contrast

On white

11.52

#13357B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#13357B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13357B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13357B	#FFFFFF	#000000	##FFFFFF
##13357B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004652

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #13357b;
/* rgb */ color: rgb(19, 53, 123);
/* oklch */ color: oklch(35.1% 0.126 262.4);

Tailwind

colors: {
  custom: {
    50: '#646ba2',
    500: '#13357b',
    950: '#000000',
  },
}

SCSS

$custom: #13357b;
$custom-light: #646ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#13357b",
  "rgb": {
    "r": 19,
    "g": 53,
    "b": 123
  },
  "hsl": {
    "h": 220.385,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35087,
    "c": 0.12586,
    "h": 262.4
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#13357B

secondary

#B18A39

accent

#B438F0

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #13357B

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

Preview Lab → · Contrast checker → · Palette generator →