#11173C#11173C

#11173C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.071 H 272.4°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#11173C
RGB	rgb(17, 23, 60)
HSL	hsl(232, 56%, 15%)
HSV	hsv(232, 72%, 24%)
CMYK	cmyk(71.7%, 61.7%, 0%, 76.5%)
CIE-LAB	lab(9.47, 11.41, -24.76)
CIE-LCH	lch(9.47, 27.26, 294.73°)
OKLab	oklab(22.39% 0.003 -0.071)
OKLCH	oklch(22.39% 0.071 272.4)
XYZ	xyz(1.3529, 1.0581, 4.4070)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11173C #3C3611

analogous

#112C3C #11173C #20113C

triadic

#11173C #3C1117 #173C11

tetradic

#11173C #3C112C #3C3611 #113C20

square

#11173C #3C112C #3C3611 #113C20

split-complementary

#11173C #3C2011 #2C3C11

monochromatic

#070918 #070918 #11173C #1F296C #2C3C9B

Accessibility & contrast

On white

17.33

#11173C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#11173C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11173C

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11173C	#FFFFFF	#000000	##FFFFFF
##11173C	1.00	17.33	1.21	17.33
#FFFFFF	17.33	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021C3D

Deuteranopia (green-blind)

#00193B

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #11173c;
/* rgb */ color: rgb(17, 23, 60);
/* oklch */ color: oklch(22.4% 0.071 272.4);

Tailwind

colors: {
  custom: {
    50: '#555372',
    500: '#11173c',
    950: '#000000',
  },
}

SCSS

$custom: #11173c;
$custom-light: #555372;
$custom-dark: #000000;

JSON

{
  "hex": "#11173c",
  "rgb": {
    "r": 17,
    "g": 23,
    "b": 60
  },
  "hsl": {
    "h": 231.628,
    "s": 55.844,
    "l": 15.098
  },
  "oklch": {
    "l": 0.22391,
    "c": 0.07111,
    "h": 272.4
  },
  "luminance": 0.01058
}

Semantic roles & 50–950 ramp

primary

#11173C

secondary

#756C33

accent

#CA49DF

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #11173C

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

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