#13377F#13377F

#13377F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.129 H 262.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#13377F
RGB	rgb(19, 55, 127)
HSL	hsl(220, 74%, 29%)
HSV	hsv(220, 85%, 50%)
CMYK	cmyk(85%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(24.96, 16.42, -44.26)
CIE-LCH	lch(24.96, 47.21, 290.36°)
OKLab	oklab(35.88% -0.0176 -0.1278)
OKLCH	oklch(35.88% 0.129 262.1)
XYZ	xyz(5.4641, 4.4025, 20.6363)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13377F #7F5B13

analogous

#136D7F #13377F #25137F

triadic

#13377F #7F1337 #377F13

tetradic

#13377F #7F136D #7F5B13 #137F25

square

#13377F #7F136D #7F5B13 #137F25

split-complementary

#13377F #7F2513 #6D7F13

monochromatic

#040C1B #0B204A #13377F #1B4EB4 #2D68E0

Accessibility & contrast

On white

11.17

#13377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#13377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13377F

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13377F	#FFFFFF	#000000	##FFFFFF
##13377F	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004082

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #13377f;
/* rgb */ color: rgb(19, 55, 127);
/* oklch */ color: oklch(35.9% 0.129 262.1);

Tailwind

colors: {
  custom: {
    50: '#656da5',
    500: '#13377f',
    950: '#000000',
  },
}

SCSS

$custom: #13377f;
$custom-light: #656da5;
$custom-dark: #000000;

JSON

{
  "hex": "#13377f",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 220,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35882,
    "c": 0.12897,
    "h": 262.1
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#13377F

secondary

#B48B39

accent

#B337F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13377F

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

Preview Lab → · Contrast checker → · Palette generator →