#11133B#11133B

#11133B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.076 H 275.8°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#11133B
RGB	rgb(17, 19, 59)
HSL	hsl(237, 55%, 15%)
HSV	hsv(237, 71%, 23%)
CMYK	cmyk(71.2%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(8.13, 14.09, -26.20)
CIE-LCH	lch(8.13, 29.75, 298.28°)
OKLab	oklab(21.37% 0.0076 -0.0753)
OKLCH	oklch(21.37% 0.076 275.8)
XYZ	xyz(1.2532, 0.9006, 4.2446)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11133B #3B3911

analogous

#11283B #11133B #24113B

triadic

#11133B #3B1113 #133B11

tetradic

#11133B #3B1128 #3B3911 #113B24

square

#11133B #3B1128 #3B3911 #113B24

split-complementary

#11133B #3B2411 #283B11

monochromatic

#070818 #070818 #11133B #1F226B #2C329A

Accessibility & contrast

On white

17.79

#11133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#11133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11133B

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11133B	#FFFFFF	#000000	##FFFFFF
##11133B	1.00	17.79	1.18	17.79
#FFFFFF	17.79	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #11133b;
/* rgb */ color: rgb(17, 19, 59);
/* oklch */ color: oklch(21.4% 0.076 275.8);

Tailwind

colors: {
  custom: {
    50: '#555071',
    500: '#11133b',
    950: '#000000',
  },
}

SCSS

$custom: #11133b;
$custom-light: #555071;
$custom-dark: #000000;

JSON

{
  "hex": "#11133b",
  "rgb": {
    "r": 17,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 237.143,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21369,
    "c": 0.07572,
    "h": 275.8
  },
  "luminance": 0.00901
}

Semantic roles & 50–950 ramp

primary

#11133B

secondary

#747133

accent

#D749DF

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #11133B

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

Preview Lab → · Contrast checker → · Palette generator →