#13377E#13377E

#13377E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.128 H 262.0°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#13377E
RGB	rgb(19, 55, 126)
HSL	hsl(220, 74%, 28%)
HSV	hsv(220, 85%, 49%)
CMYK	cmyk(84.9%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(24.88, 16.00, -43.76)
CIE-LCH	lch(24.88, 46.60, 290.09°)
OKLab	oklab(35.8% -0.0177 -0.1263)
OKLCH	oklch(35.8% 0.128 262)
XYZ	xyz(5.3993, 4.3765, 20.2948)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13377E #7E5A13

analogous

#136C7E #13377E #24137E

triadic

#13377E #7E1337 #377E13

tetradic

#13377E #7E136C #7E5A13 #137E24

square

#13377E #7E136C #7E5A13 #137E24

split-complementary

#13377E #7E2413 #6C7E13

monochromatic

#040C1B #0B2049 #13377E #1B4EB3 #2C68DF

Accessibility & contrast

On white

11.20

#13377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#13377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13377E

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13377E	#FFFFFF	#000000	##FFFFFF
##13377E	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004080

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #13377e;
/* rgb */ color: rgb(19, 55, 126);
/* oklch */ color: oklch(35.8% 0.128 262.0);

Tailwind

colors: {
  custom: {
    50: '#656da4',
    500: '#13377e',
    950: '#000000',
  },
}

SCSS

$custom: #13377e;
$custom-light: #656da4;
$custom-dark: #000000;

JSON

{
  "hex": "#13377e",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 219.813,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.35796,
    "c": 0.12754,
    "h": 262
  },
  "luminance": 0.04377
}

Semantic roles & 50–950 ramp

primary

#13377E

secondary

#B48A39

accent

#B237F0

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #13377E

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

Preview Lab → · Contrast checker → · Palette generator →