#13174F#13174F

#13174F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.101 H 273.1°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#13174F
RGB	rgb(19, 23, 79)
HSL	hsl(236, 61%, 19%)
HSV	hsv(236, 76%, 31%)
CMYK	cmyk(75.9%, 70.9%, 0%, 69%)
CIE-LAB	lab(11.38, 19.68, -34.93)
CIE-LCH	lch(11.38, 40.09, 299.39°)
OKLab	oklab(24.4% 0.0054 -0.1009)
OKLCH	oklch(24.4% 0.101 273.1)
XYZ	xyz(1.9858, 1.3156, 7.5449)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13174F #4F4B13

analogous

#13354F #13174F #2D134F

triadic

#13174F #4F1317 #174F13

tetradic

#13174F #4F1335 #4F4B13 #134F2D

square

#13174F #4F1335 #4F4B13 #134F2D

split-complementary

#13174F #4F2D13 #354F13

monochromatic

#060719 #07091E #13174F #1F2580 #2B34B2

Accessibility & contrast

On white

16.62

#13174F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#13174F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13174F

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13174F	#FFFFFF	#000000	##FFFFFF
##13174F	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#001C4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #13174f;
/* rgb */ color: rgb(19, 23, 79);
/* oklch */ color: oklch(24.4% 0.101 273.1);

Tailwind

colors: {
  custom: {
    50: '#5b5481',
    500: '#13174f',
    950: '#000000',
  },
}

SCSS

$custom: #13174f;
$custom-light: #5b5481;
$custom-dark: #000000;

JSON

{
  "hex": "#13174f",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 79
  },
  "hsl": {
    "h": 236,
    "s": 61.224,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24405,
    "c": 0.10101,
    "h": 273.1
  },
  "luminance": 0.01316
}

Semantic roles & 50–950 ramp

primary

#13174F

secondary

#888236

accent

#DA43E4

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #13174F

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

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