#11183D#11183D

#11183D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.071 H 271.5°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#11183D
RGB	rgb(17, 24, 61)
HSL	hsl(230, 56%, 15%)
HSV	hsv(230, 72%, 24%)
CMYK	cmyk(72.1%, 60.7%, 0%, 76.1%)
CIE-LAB	lab(9.87, 11.05, -24.82)
CIE-LCH	lch(9.87, 27.17, 294.00°)
OKLab	oklab(22.72% 0.0019 -0.0712)
OKLCH	oklch(22.72% 0.071 271.5)
XYZ	xyz(1.3998, 1.1092, 4.5543)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11183D #3D3611

analogous

#112E3D #11183D #20113D

triadic

#11183D #3D1118 #183D11

tetradic

#11183D #3D112E #3D3611 #113D20

square

#11183D #3D112E #3D3611 #113D20

split-complementary

#11183D #3D2011 #2E3D11

monochromatic

#070918 #070918 #11183D #1E2B6D #2C3E9D

Accessibility & contrast

On white

17.19

#11183D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#11183D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11183D

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11183D	#FFFFFF	#000000	##FFFFFF
##11183D	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031D3E

Deuteranopia (green-blind)

#00193C

Tritanopia (blue-blind)

#002127

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #11183d;
/* rgb */ color: rgb(17, 24, 61);
/* oklch */ color: oklch(22.7% 0.071 271.5);

Tailwind

colors: {
  custom: {
    50: '#555473',
    500: '#11183d',
    950: '#000000',
  },
}

SCSS

$custom: #11183d;
$custom-light: #555473;
$custom-dark: #000000;

JSON

{
  "hex": "#11183d",
  "rgb": {
    "r": 17,
    "g": 24,
    "b": 61
  },
  "hsl": {
    "h": 230.455,
    "s": 56.41,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22722,
    "c": 0.07124,
    "h": 271.5
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#11183D

secondary

#766C33

accent

#C848E0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #11183D

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

Preview Lab → · Contrast checker → · Palette generator →