#11133A#11133A

#11133A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.074 H 275.9°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#11133A
RGB	rgb(17, 19, 58)
HSL	hsl(237, 55%, 15%)
HSV	hsv(237, 71%, 23%)
CMYK	cmyk(70.7%, 67.2%, 0%, 77.3%)
CIE-LAB	lab(8.04, 13.68, -25.63)
CIE-LCH	lch(8.04, 29.06, 298.09°)
OKLab	oklab(21.27% 0.0076 -0.0737)
OKLCH	oklch(21.27% 0.074 275.9)
XYZ	xyz(1.2275, 0.8903, 4.1093)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11133A #3A3811

analogous

#11283A #11133A #24113A

triadic

#11133A #3A1113 #133A11

tetradic

#11133A #3A1128 #3A3811 #113A24

square

#11133A #3A1128 #3A3811 #113A24

split-complementary

#11133A #3A2411 #283A11

monochromatic

#070818 #070818 #11133A #1F2369 #2D3299

Accessibility & contrast

On white

17.83

#11133A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#11133A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11133A

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11133A	#FFFFFF	#000000	##FFFFFF
##11133A	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001639

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #11133a;
/* rgb */ color: rgb(17, 19, 58);
/* oklch */ color: oklch(21.3% 0.074 275.9);

Tailwind

colors: {
  custom: {
    50: '#545070',
    500: '#11133a',
    950: '#000000',
  },
}

SCSS

$custom: #11133a;
$custom-light: #545070;
$custom-dark: #000000;

JSON

{
  "hex": "#11133a",
  "rgb": {
    "r": 17,
    "g": 19,
    "b": 58
  },
  "hsl": {
    "h": 237.073,
    "s": 54.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21272,
    "c": 0.07406,
    "h": 275.9
  },
  "luminance": 0.0089
}

Semantic roles & 50–950 ramp

primary

#11133A

secondary

#737033

accent

#D74ADE

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #11133A

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

Preview Lab → · Contrast checker → · Palette generator →