#11173D#11173D

#11173D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.073 H 272.4°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#11173D
RGB	rgb(17, 23, 61)
HSL	hsl(232, 56%, 15%)
HSV	hsv(232, 72%, 24%)
CMYK	cmyk(72.1%, 62.3%, 0%, 76.1%)
CIE-LAB	lab(9.55, 11.83, -25.34)
CIE-LCH	lch(9.55, 27.96, 295.03°)
OKLab	oklab(22.48% 0.0031 -0.0727)
OKLCH	oklch(22.48% 0.073 272.4)
XYZ	xyz(1.3796, 1.0688, 4.5476)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11173D #3D3711

analogous

#112D3D #11173D #21113D

triadic

#11173D #3D1117 #173D11

tetradic

#11173D #3D112D #3D3711 #113D21

square

#11173D #3D112D #3D3711 #113D21

split-complementary

#11173D #3D2111 #2D3D11

monochromatic

#070918 #070918 #11173D #1E296D #2C3B9D

Accessibility & contrast

On white

17.30

#11173D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#11173D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11173D

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11173D	#FFFFFF	#000000	##FFFFFF
##11173D	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011D3E

Deuteranopia (green-blind)

#00193C

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #11173d;
/* rgb */ color: rgb(17, 23, 61);
/* oklch */ color: oklch(22.5% 0.073 272.4);

Tailwind

colors: {
  custom: {
    50: '#555373',
    500: '#11173d',
    950: '#000000',
  },
}

SCSS

$custom: #11173d;
$custom-light: #555373;
$custom-dark: #000000;

JSON

{
  "hex": "#11173d",
  "rgb": {
    "r": 17,
    "g": 23,
    "b": 61
  },
  "hsl": {
    "h": 231.818,
    "s": 56.41,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22482,
    "c": 0.0728,
    "h": 272.4
  },
  "luminance": 0.01069
}

Semantic roles & 50–950 ramp

primary

#11173D

secondary

#766D33

accent

#CB48E0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #11173D

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

Preview Lab → · Contrast checker → · Palette generator →