#13175B#13175B

#13175B is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.119 H 272.0°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#13175B
RGB	rgb(19, 23, 91)
HSL	hsl(237, 65%, 22%)
HSV	hsv(237, 79%, 36%)
CMYK	cmyk(79.1%, 74.7%, 0%, 64.3%)
CIE-LAB	lab(12.65, 24.47, -41.01)
CIE-LCH	lch(12.65, 47.76, 300.82°)
OKLab	oklab(25.71% 0.004 -0.1186)
OKLCH	oklch(25.71% 0.119 272)
XYZ	xyz(2.4626, 1.5063, 10.0565)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13175B #5B5713

analogous

#133B5B #13175B #33135B

triadic

#13175B #5B1317 #175B13

tetradic

#13175B #5B133B #5B5713 #135B33

square

#13175B #5B133B #5B5713 #135B33

split-complementary

#13175B #5B3313 #3B5B13

monochromatic

#050619 #080A28 #13175B #1E248E #2831C0

Accessibility & contrast

On white

16.14

#13175B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#13175B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13175B

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13175B	#FFFFFF	#000000	##FFFFFF
##13175B	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00245D

Deuteranopia (green-blind)

#001D5A

Tritanopia (blue-blind)

#002A37

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #13175b;
/* rgb */ color: rgb(19, 23, 91);
/* oklch */ color: oklch(25.7% 0.119 272.0);

Tailwind

colors: {
  custom: {
    50: '#5e548a',
    500: '#13175b',
    950: '#000000',
  },
}

SCSS

$custom: #13175b;
$custom-light: #5e548a;
$custom-dark: #000000;

JSON

{
  "hex": "#13175b",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 91
  },
  "hsl": {
    "h": 236.667,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25708,
    "c": 0.11872,
    "h": 272
  },
  "luminance": 0.01507
}

Semantic roles & 50–950 ramp

primary

#13175B

secondary

#938E37

accent

#DF3FE8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #13175B

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

Preview Lab → · Contrast checker → · Palette generator →