#13377D#13377D

#13377D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.7% C 0.126 H 261.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#13377D
RGB	rgb(19, 55, 125)
HSL	hsl(220, 74%, 28%)
HSV	hsv(220, 85%, 49%)
CMYK	cmyk(84.8%, 56%, 0%, 51%)
CIE-LAB	lab(24.80, 15.59, -43.26)
CIE-LCH	lch(24.80, 45.99, 289.81°)
OKLab	oklab(35.71% -0.0178 -0.1248)
OKLCH	oklch(35.71% 0.126 261.9)
XYZ	xyz(5.3351, 4.3508, 19.9567)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13377D #7D5913

analogous

#136C7D #13377D #24137D

triadic

#13377D #7D1337 #377D13

tetradic

#13377D #7D136C #7D5913 #137D24

square

#13377D #7D136C #7D5913 #137D24

split-complementary

#13377D #7D2413 #6C7D13

monochromatic

#040C1B #0B2048 #13377D #1B4EB2 #2C68DF

Accessibility & contrast

On white

11.23

#13377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#13377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13377D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13377D	#FFFFFF	#000000	##FFFFFF
##13377D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00367C

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #13377d;
/* rgb */ color: rgb(19, 55, 125);
/* oklch */ color: oklch(35.7% 0.126 261.9);

Tailwind

colors: {
  custom: {
    50: '#656da3',
    500: '#13377d',
    950: '#000000',
  },
}

SCSS

$custom: #13377d;
$custom-light: #656da3;
$custom-dark: #000000;

JSON

{
  "hex": "#13377d",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 219.623,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3571,
    "c": 0.1261,
    "h": 261.9
  },
  "luminance": 0.04351
}

Semantic roles & 50–950 ramp

primary

#13377D

secondary

#B38939

accent

#B238F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13377D

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

Preview Lab → · Contrast checker → · Palette generator →