#13177E#13177E

#13177E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.165 H 269.3°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#13177E
RGB	rgb(19, 23, 126)
HSL	hsl(238, 74%, 28%)
HSV	hsv(238, 85%, 49%)
CMYK	cmyk(84.9%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(16.78, 37.40, -57.06)
CIE-LCH	lch(16.78, 68.22, 303.25°)
OKLab	oklab(29.86% -0.0021 -0.1653)
OKLCH	oklch(29.86% 0.165 269.3)
XYZ	xyz(4.3396, 2.2571, 19.9416)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13177E #7E7A13

analogous

#134C7E #13177E #44137E

triadic

#13177E #7E1317 #177E13

tetradic

#13177E #7E134C #7E7A13 #137E44

square

#13177E #7E134C #7E7A13 #137E44

split-complementary

#13177E #7E4413 #4C7E13

monochromatic

#04051B #0B0D49 #13177E #1B21B3 #2C33DF

Accessibility & contrast

On white

14.47

#13177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#13177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13177E

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13177E	#FFFFFF	#000000	##FFFFFF
##13177E	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F81

Deuteranopia (green-blind)

#00247C

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #13177e;
/* rgb */ color: rgb(19, 23, 126);
/* oklch */ color: oklch(29.9% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#6856a5',
    500: '#13177e',
    950: '#000000',
  },
}

SCSS

$custom: #13177e;
$custom-light: #6856a5;
$custom-dark: #000000;

JSON

{
  "hex": "#13177e",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 237.757,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29863,
    "c": 0.16528,
    "h": 269.3
  },
  "luminance": 0.02258
}

Semantic roles & 50–950 ramp

primary

#13177E

secondary

#B4AF39

accent

#EA37F0

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #13177E

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

Preview Lab → · Contrast checker → · Palette generator →